author | haftmann |
Tue, 09 May 2006 10:08:20 +0200 | |
changeset 19597 | 8ced57ffc090 |
parent 19482 | 9f11af8f7ef9 |
child 19607 | 07eeb832f28d |
permissions | -rw-r--r-- |
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(* Title: Pure/Tools/codegen_serializer.ML |
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ID: $Id$ |
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Author: Florian Haftmann, TU Muenchen |
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Serializer from intermediate language ("Thin-gol") to |
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target languages (like ML or Haskell). |
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*) |
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signature CODEGEN_SERIALIZER = |
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sig |
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type 'a pretty_syntax; |
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type serializer = |
|
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string list list |
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-> OuterParse.token list -> |
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((string -> string option) |
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* (string -> CodegenThingol.itype pretty_syntax option) |
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* (string -> CodegenThingol.iexpr pretty_syntax option) |
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-> string list option |
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-> CodegenThingol.module -> unit) |
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* OuterParse.token list; |
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val parse_syntax: ('b -> int) -> (string -> 'b -> 'a * 'b) -> OuterParse.token list -> |
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('b -> 'a pretty_syntax * 'b) * OuterParse.token list; |
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val parse_targetdef: string -> CodegenThingol.prim list; |
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val pretty_list: string -> string -> int * string -> CodegenThingol.iexpr pretty_syntax; |
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val serializers: { |
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ml: string * (string * string * (string -> bool) -> serializer), |
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haskell: string * (string list -> serializer) |
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}; |
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val mk_flat_ml_resolver: string list -> string -> string; |
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val ml_fun_datatype: string * string * (string -> bool) |
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-> ((string -> CodegenThingol.itype pretty_syntax option) |
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* (string -> CodegenThingol.iexpr pretty_syntax option)) |
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-> (string -> string) |
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-> ((string * CodegenThingol.funn) list -> Pretty.T) |
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* ((string * CodegenThingol.datatyp) list -> Pretty.T); |
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end; |
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structure CodegenSerializer: CODEGEN_SERIALIZER = |
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struct |
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open BasicCodegenThingol; |
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val debug_msg = CodegenThingol.debug_msg; |
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|
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(** generic serialization **) |
45 |
||
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(* precedences *) |
47 |
||
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datatype lrx = L | R | X; |
49 |
||
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datatype fixity = |
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BR |
52 |
| NOBR |
|
53 |
| INFX of (int * lrx); |
|
54 |
||
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datatype 'a mixfix = |
56 |
Arg of fixity |
|
57 |
| Ignore |
|
58 |
| Pretty of Pretty.T |
|
59 |
| Quote of 'a; |
|
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type 'a pretty_syntax = (int * int) * (fixity -> (fixity -> 'a -> Pretty.T) |
62 |
-> 'a list -> Pretty.T); |
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fun eval_lrx L L = false |
65 |
| eval_lrx R R = false |
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| eval_lrx _ _ = true; |
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||
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fun eval_fxy NOBR _ = false |
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| eval_fxy _ BR = true |
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| eval_fxy _ NOBR = false |
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| eval_fxy (INFX (pr, lr)) (INFX (pr_ctxt, lr_ctxt)) = |
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pr < pr_ctxt |
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orelse pr = pr_ctxt |
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andalso eval_lrx lr lr_ctxt |
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| eval_fxy _ (INFX _) = false; |
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val str = setmp print_mode [] Pretty.str; |
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fun gen_brackify _ [p] = p |
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| gen_brackify true (ps as _::_) = Pretty.enclose "(" ")" ps |
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| gen_brackify false (ps as _::_) = Pretty.block ps; |
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fun brackify fxy_ctxt ps = |
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gen_brackify (eval_fxy BR fxy_ctxt) (Pretty.breaks ps); |
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fun brackify_infix infx fxy_ctxt ps = |
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gen_brackify (eval_fxy (INFX infx) fxy_ctxt) (Pretty.breaks ps); |
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fun from_app mk_app from_expr const_syntax fxy ((c, ty), es) = |
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let |
91 |
fun mk NONE es = |
|
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brackify fxy (mk_app c es) |
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| mk (SOME ((i, k), pr)) es = |
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(*if i <= length es then*) |
95 |
let |
|
96 |
val (es1, es2) = chop k es; |
|
97 |
in |
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98 |
brackify fxy (pr fxy from_expr es1 :: map (from_expr BR) es2) |
|
99 |
end |
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(*else |
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error ("illegal const_syntax")*) |
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in mk (const_syntax c) es end; |
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fun fillin_mixfix fxy_this ms fxy_ctxt pr args = |
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let |
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fun fillin [] [] = |
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[] |
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| fillin (Arg fxy :: ms) (a :: args) = |
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pr fxy a :: fillin ms args |
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| fillin (Ignore :: ms) args = |
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fillin ms args |
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| fillin (Pretty p :: ms) args = |
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p :: fillin ms args |
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| fillin (Quote q :: ms) args = |
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pr BR q :: fillin ms args |
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| fillin [] _ = |
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error ("inconsistent mixfix: too many arguments") |
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| fillin _ [] = |
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error ("inconsistent mixfix: too less arguments"); |
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in gen_brackify (eval_fxy fxy_this fxy_ctxt) (fillin ms args) end; |
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||
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(* user-defined syntax *) |
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124 |
||
125 |
val (atomK, infixK, infixlK, infixrK) = |
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("target_atom", "infix", "infixl", "infixr"); |
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val _ = OuterSyntax.add_keywords [atomK, infixK, infixlK, infixrK]; |
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fun parse_infix (fixity as INFX (i, x)) s = |
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let |
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val l = case x of L => fixity |
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| _ => INFX (i, X); |
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val r = case x of R => fixity |
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| _ => INFX (i, X); |
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135 |
in |
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pair [Arg l, (Pretty o Pretty.brk) 1, (Pretty o str) s, (Pretty o Pretty.brk) 1, Arg r] |
|
137 |
end; |
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||
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fun parse_mixfix reader s ctxt = |
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let |
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fun sym s = Scan.lift ($$ s); |
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fun lift_reader ctxt s = |
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ctxt |
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|> reader s |
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|-> (fn x => pair (Quote x)); |
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val sym_any = Scan.lift (Scan.one Symbol.not_eof); |
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val parse = Scan.repeat ( |
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(sym "_" -- sym "_" >> K (Arg NOBR)) |
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|| (sym "_" >> K (Arg BR)) |
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|| (sym "?" >> K Ignore) |
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|| (sym "/" |-- Scan.repeat (sym " ") >> (Pretty o Pretty.brk o length)) |
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|| Scan.depend (fn ctxt => $$ "{" |-- $$ "*" |-- Scan.repeat1 |
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( $$ "'" |-- Scan.one Symbol.not_eof |
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|| Scan.unless ($$ "*" -- $$ "}") (Scan.one Symbol.not_eof)) --| |
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$$ "*" --| $$ "}" >> (implode #> lift_reader ctxt #> swap)) |
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156 |
|| (Scan.repeat1 |
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( sym "'" |-- sym_any |
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158 |
|| Scan.unless (sym "_" || sym "?" || sym "/" || sym "{" |-- sym "*") |
|
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sym_any) >> (Pretty o str o implode))); |
|
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in case Scan.finite' Symbol.stopper parse (ctxt, Symbol.explode s) |
|
161 |
of (p, (ctxt, [])) => (p, ctxt) |
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| _ => error ("Malformed mixfix annotation: " ^ quote s) |
|
163 |
end; |
|
164 |
||
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fun parse_nonatomic_mixfix reader s ctxt = |
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case parse_mixfix reader s ctxt |
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of ([Pretty _], _) => |
168 |
error ("mixfix contains just one pretty element; either declare as " |
|
169 |
^ quote atomK ^ " or consider adding a break") |
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| x => x; |
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|
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fun parse_syntax_proto reader = OuterParse.$$$ "(" |-- ( |
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OuterParse.$$$ infixK |-- OuterParse.nat |
174 |
>> (fn i => (parse_infix (INFX (i, X)), INFX (i, X))) |
|
175 |
|| OuterParse.$$$ infixlK |-- OuterParse.nat |
|
176 |
>> (fn i => (parse_infix (INFX (i, L)), INFX (i, L))) |
|
177 |
|| OuterParse.$$$ infixrK |-- OuterParse.nat |
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178 |
>> (fn i => (parse_infix (INFX (i, R)), INFX (i, R))) |
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|| OuterParse.$$$ atomK |-- pair (parse_mixfix reader, NOBR) |
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|| pair (parse_nonatomic_mixfix reader, BR) |
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) -- OuterParse.string --| OuterParse.$$$ ")" >> (fn ((p, fxy), s) => (p s, fxy)); |
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fun parse_syntax no_args reader = |
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let |
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fun is_arg (Arg _) = true |
186 |
| is_arg Ignore = true |
|
187 |
| is_arg _ = false; |
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fun mk fixity mfx ctxt = |
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let |
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val i = (length o List.filter is_arg) mfx; |
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val _ = if i > no_args ctxt then error "too many arguments in codegen syntax" else (); |
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in (((i, i), fillin_mixfix fixity mfx), ctxt) end; |
18702 | 193 |
in |
194 |
parse_syntax_proto reader |
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#-> (fn (mfx_reader, fixity) => |
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pair (mfx_reader #-> (fn mfx => mk fixity mfx)) |
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) |
198 |
end; |
|
199 |
||
200 |
fun newline_correct s = |
|
201 |
s |
|
202 |
|> Symbol.strip_blanks |
|
203 |
|> space_explode "\n" |
|
204 |
|> map (implode o (fn [] => [] |
|
205 |
| (" "::xs) => xs |
|
206 |
| xs => xs) o explode) |
|
207 |
|> space_implode "\n"; |
|
208 |
||
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fun parse_targetdef s = |
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case Scan.finite Symbol.stopper (Scan.repeat ( |
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($$ "`" |-- $$ "`" >> (CodegenThingol.Pretty o str)) |
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|| ($$ "`" |-- Scan.repeat1 (Scan.unless ($$ "`") (Scan.one Symbol.not_eof)) |
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--| $$ "`" >> (fn ["_"] => CodegenThingol.Name | s => error ("malformed antiquote: " ^ implode s))) |
18702 | 214 |
|| Scan.repeat1 |
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(Scan.unless ($$ "`") (Scan.one Symbol.not_eof)) >> (CodegenThingol.Pretty o str o implode) |
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)) ((Symbol.explode o Symbol.strip_blanks) s) |
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of (p, []) => p |
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| (p, ss) => error ("Malformed definition: " ^ quote s ^ " - " ^ commas ss); |
18702 | 219 |
|
220 |
||
221 |
(* abstract serializer *) |
|
18282 | 222 |
|
18702 | 223 |
type serializer = |
224 |
string list list |
|
18756 | 225 |
-> OuterParse.token list -> |
18865 | 226 |
((string -> string option) |
18963 | 227 |
* (string -> itype pretty_syntax option) |
228 |
* (string -> iexpr pretty_syntax option) |
|
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-> string list option |
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-> CodegenThingol.module -> unit) |
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* OuterParse.token list; |
18702 | 232 |
|
18919 | 233 |
fun abstract_serializer (target, nspgrp) name_root (from_defs, from_module, validator, postproc) |
18963 | 234 |
postprocess preprocess (class_syntax, tyco_syntax, const_syntax) |
18865 | 235 |
select module = |
18702 | 236 |
let |
18963 | 237 |
fun pretty_of_prim resolv (name, primdef) = |
238 |
let |
|
239 |
fun pr (CodegenThingol.Pretty p) = p |
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| pr CodegenThingol.Name = (str o resolv) name; |
18963 | 241 |
in case AList.lookup (op = : string * string -> bool) primdef target |
18702 | 242 |
of NONE => error ("no primitive definition for " ^ quote name) |
18963 | 243 |
| SOME ps => (case map pr ps |
244 |
of [] => NONE |
|
245 |
| ps => (SOME o Pretty.block) ps) |
|
246 |
end; |
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fun from_module' resolv imps ((name_qual, name), defs) = |
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from_module resolv imps ((name_qual, name), defs) |
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|> postprocess (resolv name_qual); |
18702 | 250 |
in |
251 |
module |
|
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|> debug_msg (fn _ => "selecting submodule...") |
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|> (if is_some select then (CodegenThingol.project_module o the) select else I) |
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|> debug_msg (fn _ => "preprocessing...") |
18702 | 255 |
|> preprocess |
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|> debug_msg (fn _ => "serializing...") |
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|> CodegenThingol.serialize (from_defs (pretty_of_prim, (class_syntax : string -> string option, tyco_syntax, const_syntax))) |
18919 | 258 |
from_module' validator postproc nspgrp name_root |
18850 | 259 |
|> K () |
18702 | 260 |
end; |
261 |
||
262 |
fun abstract_validator keywords name = |
|
263 |
let |
|
264 |
fun replace_invalid c = |
|
265 |
if (Char.isAlphaNum o the o Char.fromString) c orelse c = "'" |
|
266 |
andalso not (NameSpace.separator = c) |
|
267 |
then c |
|
268 |
else "_" |
|
269 |
fun suffix_it name = |
|
270 |
name |
|
271 |
|> member (op =) keywords ? suffix "'" |
|
272 |
|> (fn name' => if name = name' then name else suffix_it name') |
|
273 |
in |
|
274 |
name |
|
275 |
|> translate_string replace_invalid |
|
276 |
|> suffix_it |
|
277 |
|> (fn name' => if name = name' then NONE else SOME name') |
|
278 |
end; |
|
279 |
||
18850 | 280 |
fun write_file mkdir path p = ( |
281 |
if mkdir |
|
282 |
then |
|
283 |
File.mkdir (Path.dir path) |
|
284 |
else (); |
|
285 |
File.write path (Pretty.output p ^ "\n"); |
|
286 |
p |
|
287 |
); |
|
288 |
||
289 |
fun mk_module_file postprocess_module ext path name p = |
|
290 |
let |
|
291 |
val prfx = Path.dir path; |
|
292 |
val name' = case name |
|
293 |
of "" => Path.base path |
|
294 |
| _ => (Path.ext ext o Path.unpack o implode o separate "/" o NameSpace.unpack) name; |
|
295 |
in |
|
296 |
p |
|
297 |
|> write_file true (Path.append prfx name') |
|
298 |
|> postprocess_module name |
|
299 |
end; |
|
300 |
||
19202 | 301 |
fun constructive_fun (name, (eqs, ty)) = |
302 |
let |
|
303 |
fun check_eq (eq as (lhs, rhs)) = |
|
304 |
if forall CodegenThingol.is_pat lhs |
|
305 |
then SOME eq |
|
306 |
else (warning ("in function " ^ quote name ^ ", throwing away one " |
|
307 |
^ "non-executable function clause"); NONE) |
|
19482
9f11af8f7ef9
tuned basic list operators (flat, maps, map_filter);
wenzelm
parents:
19466
diff
changeset
|
308 |
in case map_filter check_eq eqs |
19202 | 309 |
of [] => error ("in function " ^ quote name ^ ", no" |
310 |
^ "executable function clauses found") |
|
311 |
| eqs => (name, (eqs, ty)) |
|
312 |
end; |
|
313 |
||
18756 | 314 |
fun parse_single_file serializer = |
18850 | 315 |
OuterParse.path |
316 |
>> (fn path => serializer |
|
317 |
(fn "" => write_file false path #> K NONE |
|
318 |
| _ => SOME)); |
|
319 |
||
320 |
fun parse_multi_file postprocess_module ext serializer = |
|
321 |
OuterParse.path |
|
322 |
>> (fn path => (serializer o mk_module_file postprocess_module ext) path); |
|
18702 | 323 |
|
18756 | 324 |
fun parse_internal serializer = |
325 |
OuterParse.name |
|
18850 | 326 |
>> (fn "-" => serializer |
327 |
(fn "" => (fn p => (use_text Context.ml_output false (Pretty.output p); NONE)) |
|
328 |
| _ => SOME) |
|
18756 | 329 |
| _ => Scan.fail ()); |
18702 | 330 |
|
18282 | 331 |
|
18704
2c86ced392a8
substantial improvement in serialization handling
haftmann
parents:
18702
diff
changeset
|
332 |
(* list serializer *) |
2c86ced392a8
substantial improvement in serialization handling
haftmann
parents:
18702
diff
changeset
|
333 |
|
2c86ced392a8
substantial improvement in serialization handling
haftmann
parents:
18702
diff
changeset
|
334 |
fun pretty_list thingol_nil thingol_cons (target_pred, target_cons) = |
2c86ced392a8
substantial improvement in serialization handling
haftmann
parents:
18702
diff
changeset
|
335 |
let |
19202 | 336 |
fun dest_cons (IConst (c, _) `$ e1 `$ e2) = |
18850 | 337 |
if c = thingol_cons |
18704
2c86ced392a8
substantial improvement in serialization handling
haftmann
parents:
18702
diff
changeset
|
338 |
then SOME (e1, e2) |
2c86ced392a8
substantial improvement in serialization handling
haftmann
parents:
18702
diff
changeset
|
339 |
else NONE |
2c86ced392a8
substantial improvement in serialization handling
haftmann
parents:
18702
diff
changeset
|
340 |
| dest_cons _ = NONE; |
2c86ced392a8
substantial improvement in serialization handling
haftmann
parents:
18702
diff
changeset
|
341 |
fun pretty_default fxy pr e1 e2 = |
2c86ced392a8
substantial improvement in serialization handling
haftmann
parents:
18702
diff
changeset
|
342 |
brackify_infix (target_pred, R) fxy [ |
2c86ced392a8
substantial improvement in serialization handling
haftmann
parents:
18702
diff
changeset
|
343 |
pr (INFX (target_pred, X)) e1, |
2c86ced392a8
substantial improvement in serialization handling
haftmann
parents:
18702
diff
changeset
|
344 |
str target_cons, |
2c86ced392a8
substantial improvement in serialization handling
haftmann
parents:
18702
diff
changeset
|
345 |
pr (INFX (target_pred, R)) e2 |
2c86ced392a8
substantial improvement in serialization handling
haftmann
parents:
18702
diff
changeset
|
346 |
]; |
2c86ced392a8
substantial improvement in serialization handling
haftmann
parents:
18702
diff
changeset
|
347 |
fun pretty_compact fxy pr [e1, e2] = |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
348 |
case CodegenThingol.unfoldr dest_cons e2 |
19202 | 349 |
of (es, IConst (c, _)) => |
18704
2c86ced392a8
substantial improvement in serialization handling
haftmann
parents:
18702
diff
changeset
|
350 |
if c = thingol_nil |
18812 | 351 |
then Pretty.enum "," "[" "]" (map (pr NOBR) (e1::es)) |
18853 | 352 |
else pretty_default fxy pr e1 e2 |
18704
2c86ced392a8
substantial improvement in serialization handling
haftmann
parents:
18702
diff
changeset
|
353 |
| _ => pretty_default fxy pr e1 e2; |
2c86ced392a8
substantial improvement in serialization handling
haftmann
parents:
18702
diff
changeset
|
354 |
in ((2, 2), pretty_compact) end; |
2c86ced392a8
substantial improvement in serialization handling
haftmann
parents:
18702
diff
changeset
|
355 |
|
2c86ced392a8
substantial improvement in serialization handling
haftmann
parents:
18702
diff
changeset
|
356 |
|
18216 | 357 |
|
358 |
(** ML serializer **) |
|
359 |
||
360 |
local |
|
361 |
||
19150 | 362 |
val reserved_ml = ThmDatabase.ml_reserved @ [ |
363 |
"bool", "int", "list", "unit", "option", "true", "false", "not", "None", "Some", "o" |
|
364 |
]; |
|
365 |
||
366 |
structure NameMangler = NameManglerFun ( |
|
367 |
type ctxt = string list; |
|
368 |
type src = string; |
|
369 |
val ord = string_ord; |
|
370 |
fun mk reserved_ml (name, 0) = |
|
19597 | 371 |
(CodegenTheorems.proper_name o NameSpace.base) name |
19150 | 372 |
| mk reserved_ml (name, i) = |
19597 | 373 |
(CodegenTheorems.proper_name o NameSpace.base) name ^ replicate_string i "'"; |
374 |
fun is_valid reserved_ml = not o member (op = : string * string -> bool) reserved_ml; |
|
19150 | 375 |
fun maybe_unique _ _ = NONE; |
376 |
fun re_mangle _ dst = error ("no such definition name: " ^ quote dst); |
|
377 |
); |
|
378 |
||
19042
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
379 |
fun ml_expr_seri (is_cons, needs_type) (tyco_syntax, const_syntax) resolv = |
18216 | 380 |
let |
18865 | 381 |
val ml_from_label = |
19042
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
382 |
str o translate_string (fn "_" => "__" | "." => "_" | c => c) |
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
383 |
o NameSpace.base o resolv; |
19213 | 384 |
fun ml_from_tyvar (v, sort) = |
385 |
let |
|
386 |
fun mk_class v class = |
|
387 |
str (prefix "'" v ^ " " ^ resolv class); |
|
388 |
in |
|
389 |
Pretty.block [ |
|
390 |
str "(", |
|
391 |
str v, |
|
392 |
str ":", |
|
393 |
case sort |
|
19253 | 394 |
of [] => str "unit" |
395 |
| [class] => mk_class v class |
|
19213 | 396 |
| _ => Pretty.enum " *" "" "" (map (mk_class v) sort), |
397 |
str ")" |
|
398 |
] |
|
399 |
end; |
|
19280
5091dc43817b
slight improvement in serializer, stub for code generator theorems added
haftmann
parents:
19253
diff
changeset
|
400 |
fun ml_from_sortlookup fxy lss = |
18885 | 401 |
let |
19042
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
402 |
fun from_label l = |
19341
3414c04fbc39
added definitional code generator module: codegen_theorems.ML
haftmann
parents:
19280
diff
changeset
|
403 |
Pretty.block [str "#", |
3414c04fbc39
added definitional code generator module: codegen_theorems.ML
haftmann
parents:
19280
diff
changeset
|
404 |
if (is_some o Int.fromString) l then str l |
3414c04fbc39
added definitional code generator module: codegen_theorems.ML
haftmann
parents:
19280
diff
changeset
|
405 |
else ml_from_label l |
3414c04fbc39
added definitional code generator module: codegen_theorems.ML
haftmann
parents:
19280
diff
changeset
|
406 |
]; |
19042
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
407 |
fun from_lookup fxy [] p = p |
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
408 |
| from_lookup fxy [l] p = |
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
409 |
brackify fxy [ |
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
410 |
from_label l, |
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
411 |
p |
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
412 |
] |
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
413 |
| from_lookup fxy ls p = |
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
414 |
brackify fxy [ |
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
415 |
Pretty.enum " o" "(" ")" (map from_label ls), |
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
416 |
p |
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
417 |
]; |
18885 | 418 |
fun from_classlookup fxy (Instance (inst, lss)) = |
419 |
brackify fxy ( |
|
420 |
(str o resolv) inst |
|
421 |
:: map (ml_from_sortlookup BR) lss |
|
422 |
) |
|
423 |
| from_classlookup fxy (Lookup (classes, (v, ~1))) = |
|
19042
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
424 |
from_lookup BR classes (str v) |
18885 | 425 |
| from_classlookup fxy (Lookup (classes, (v, i))) = |
19042
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
426 |
from_lookup BR (string_of_int (i+1) :: classes) (str v) |
19280
5091dc43817b
slight improvement in serializer, stub for code generator theorems added
haftmann
parents:
19253
diff
changeset
|
427 |
in case lss |
19253 | 428 |
of [] => str "()" |
19280
5091dc43817b
slight improvement in serializer, stub for code generator theorems added
haftmann
parents:
19253
diff
changeset
|
429 |
| [ls] => from_classlookup fxy ls |
5091dc43817b
slight improvement in serializer, stub for code generator theorems added
haftmann
parents:
19253
diff
changeset
|
430 |
| lss => (Pretty.list "(" ")" o map (from_classlookup NOBR)) lss |
18885 | 431 |
end; |
18963 | 432 |
fun ml_from_tycoexpr fxy (tyco, tys) = |
433 |
let |
|
434 |
val tyco' = (str o resolv) tyco |
|
435 |
in case map (ml_from_type BR) tys |
|
436 |
of [] => tyco' |
|
437 |
| [p] => Pretty.block [p, Pretty.brk 1, tyco'] |
|
438 |
| (ps as _::_) => Pretty.block [Pretty.list "(" ")" ps, Pretty.brk 1, tyco'] |
|
439 |
end |
|
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
440 |
and ml_from_type fxy (tycoexpr as tyco `%% tys) = |
18702 | 441 |
(case tyco_syntax tyco |
18963 | 442 |
of NONE => ml_from_tycoexpr fxy (tyco, tys) |
18702 | 443 |
| SOME ((i, k), pr) => |
444 |
if not (i <= length tys andalso length tys <= k) |
|
445 |
then error ("number of argument mismatch in customary serialization: " |
|
18865 | 446 |
^ (string_of_int o length) tys ^ " given, " |
447 |
^ string_of_int i ^ " to " ^ string_of_int k |
|
18702 | 448 |
^ " expected") |
449 |
else pr fxy ml_from_type tys) |
|
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
450 |
| ml_from_type fxy (t1 `-> t2) = |
18216 | 451 |
let |
18704
2c86ced392a8
substantial improvement in serialization handling
haftmann
parents:
18702
diff
changeset
|
452 |
val brackify = gen_brackify |
2c86ced392a8
substantial improvement in serialization handling
haftmann
parents:
18702
diff
changeset
|
453 |
(case fxy |
2c86ced392a8
substantial improvement in serialization handling
haftmann
parents:
18702
diff
changeset
|
454 |
of BR => false |
2c86ced392a8
substantial improvement in serialization handling
haftmann
parents:
18702
diff
changeset
|
455 |
| _ => eval_fxy (INFX (1, R)) fxy) o Pretty.breaks; |
18216 | 456 |
in |
18704
2c86ced392a8
substantial improvement in serialization handling
haftmann
parents:
18702
diff
changeset
|
457 |
brackify [ |
18702 | 458 |
ml_from_type (INFX (1, X)) t1, |
459 |
str "->", |
|
460 |
ml_from_type (INFX (1, R)) t2 |
|
461 |
] |
|
18216 | 462 |
end |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
463 |
| ml_from_type fxy (ITyVar v) = |
18885 | 464 |
str ("'" ^ v); |
19202 | 465 |
fun typify ty p = |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
466 |
let |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
467 |
fun needs_type_t (tyco `%% tys) = |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
468 |
needs_type tyco |
19202 | 469 |
orelse exists needs_type_t tys |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
470 |
| needs_type_t (ITyVar _) = |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
471 |
false |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
472 |
| needs_type_t (ty1 `-> ty2) = |
19202 | 473 |
needs_type_t ty1 orelse needs_type_t ty2; |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
474 |
in if needs_type_t ty |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
475 |
then |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
476 |
Pretty.enclose "(" ")" [ |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
477 |
p, |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
478 |
str ":", |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
479 |
ml_from_type NOBR ty |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
480 |
] |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
481 |
else p |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
482 |
end; |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
483 |
fun ml_from_expr fxy (e as IConst x) = |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
484 |
ml_from_app fxy (x, []) |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
485 |
| ml_from_expr fxy (IVar v) = |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
486 |
str v |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
487 |
| ml_from_expr fxy (e as e1 `$ e2) = |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
488 |
(case CodegenThingol.unfold_const_app e |
18885 | 489 |
of SOME x => ml_from_app fxy x |
18865 | 490 |
| NONE => |
18704
2c86ced392a8
substantial improvement in serialization handling
haftmann
parents:
18702
diff
changeset
|
491 |
brackify fxy [ |
18885 | 492 |
ml_from_expr NOBR e1, |
493 |
ml_from_expr BR e2 |
|
18216 | 494 |
]) |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
495 |
| ml_from_expr fxy ((v, ty) `|-> e) = |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
496 |
brackify BR [ |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
497 |
str "fn", |
19202 | 498 |
typify ty (str v), |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
499 |
str "=>", |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
500 |
ml_from_expr NOBR e |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
501 |
] |
19202 | 502 |
| ml_from_expr fxy (INum ((n, ty), _)) = |
19213 | 503 |
brackify BR [ |
19202 | 504 |
(str o IntInf.toString) n, |
505 |
str ":", |
|
506 |
ml_from_type NOBR ty |
|
507 |
] |
|
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
508 |
| ml_from_expr fxy (IAbs (((ve, vty), be), _)) = |
19038 | 509 |
brackify BR [ |
510 |
str "fn", |
|
19202 | 511 |
typify vty (ml_from_expr NOBR ve), |
19038 | 512 |
str "=>", |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
513 |
ml_from_expr NOBR be |
18216 | 514 |
] |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
515 |
| ml_from_expr fxy (e as ICase ((_, [_]), _)) = |
18216 | 516 |
let |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
517 |
val (ves, be) = CodegenThingol.unfold_let e; |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
518 |
fun mk_val ((ve, vty), se) = Pretty.block [ |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
519 |
(Pretty.block o Pretty.breaks) [ |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
520 |
str "val", |
19202 | 521 |
typify vty (ml_from_expr NOBR ve), |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
522 |
str "=", |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
523 |
ml_from_expr NOBR se |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
524 |
], |
18702 | 525 |
str ";" |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
526 |
]; |
18216 | 527 |
in Pretty.chunks [ |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
528 |
[str ("let"), Pretty.fbrk, map mk_val ves |> Pretty.chunks] |> Pretty.block, |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
529 |
[str ("in"), Pretty.fbrk, ml_from_expr NOBR be] |> Pretty.block, |
18702 | 530 |
str ("end") |
18216 | 531 |
] end |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
532 |
| ml_from_expr fxy (ICase (((de, dty), bse::bses), _)) = |
18216 | 533 |
let |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
534 |
fun mk_clause definer (se, be) = |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
535 |
(Pretty.block o Pretty.breaks) [ |
18702 | 536 |
str definer, |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
537 |
ml_from_expr NOBR se, |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
538 |
str "=>", |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
539 |
ml_from_expr NOBR be |
18216 | 540 |
] |
18704
2c86ced392a8
substantial improvement in serialization handling
haftmann
parents:
18702
diff
changeset
|
541 |
in brackify fxy ( |
19341
3414c04fbc39
added definitional code generator module: codegen_theorems.ML
haftmann
parents:
19280
diff
changeset
|
542 |
str "(case" |
19202 | 543 |
:: typify dty (ml_from_expr NOBR de) |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
544 |
:: mk_clause "of" bse |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
545 |
:: map (mk_clause "|") bses |
19341
3414c04fbc39
added definitional code generator module: codegen_theorems.ML
haftmann
parents:
19280
diff
changeset
|
546 |
@ [str ")"] |
18216 | 547 |
) end |
18885 | 548 |
| ml_from_expr _ e = |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
549 |
error ("dubious expression: " ^ (Pretty.output o CodegenThingol.pretty_iexpr) e) |
18885 | 550 |
and ml_mk_app f es = |
19136 | 551 |
if is_cons f andalso length es > 1 then |
19038 | 552 |
[(str o resolv) f, Pretty.enum "," "(" ")" (map (ml_from_expr BR) es)] |
18702 | 553 |
else |
18885 | 554 |
(str o resolv) f :: map (ml_from_expr BR) es |
19202 | 555 |
and ml_from_app fxy ((c, (lss, ty)), es) = |
18885 | 556 |
case map (ml_from_sortlookup BR) lss |
557 |
of [] => |
|
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
558 |
from_app ml_mk_app ml_from_expr const_syntax fxy ((c, ty), es) |
18885 | 559 |
| lss => |
560 |
brackify fxy ( |
|
561 |
(str o resolv) c |
|
562 |
:: (lss |
|
563 |
@ map (ml_from_expr BR) es) |
|
564 |
); |
|
19213 | 565 |
in (ml_from_label, ml_from_tyvar, ml_from_sortlookup, ml_from_tycoexpr, ml_from_type, typify, ml_from_expr) end; |
19042
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
566 |
|
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
567 |
fun ml_fun_datatyp (is_cons, needs_type) (tyco_syntax, const_syntax) resolv = |
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
568 |
let |
19213 | 569 |
val (ml_from_label, ml_from_tyvar, ml_from_sortlookup, ml_from_tycoexpr, ml_from_type, typify, ml_from_expr) = |
19042
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
570 |
ml_expr_seri (is_cons, needs_type) (tyco_syntax, const_syntax) resolv; |
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
571 |
fun chunk_defs ps = |
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
572 |
let |
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
573 |
val (p_init, p_last) = split_last ps |
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
574 |
in |
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
575 |
Pretty.chunks (p_init @ [Pretty.block ([p_last, str ";"])]) |
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
576 |
end; |
18912 | 577 |
fun ml_from_funs (defs as def::defs_tl) = |
18216 | 578 |
let |
19213 | 579 |
fun mk_definer [] [] = "val" |
580 |
| mk_definer _ _ = "fun"; |
|
581 |
fun check_args (_, ((pats, _)::_, (sortctxt, _))) NONE = |
|
582 |
SOME (mk_definer pats sortctxt) |
|
583 |
| check_args (_, ((pats, _)::_, (sortctxt, _))) (SOME definer) = |
|
584 |
if mk_definer pats sortctxt = definer |
|
18216 | 585 |
then SOME definer |
19213 | 586 |
else error ("mixing simultaneous vals and funs not implemented"); |
19042
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
587 |
fun mk_fun definer (name, (eqs as eq::eq_tl, (sortctxt, ty))) = |
18216 | 588 |
let |
19136 | 589 |
val shift = if null eq_tl then I else |
590 |
map (Pretty.block o single o Pretty.block o single); |
|
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
591 |
fun mk_arg e ty = |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
592 |
ml_from_expr BR e |
19202 | 593 |
|> typify ty |
18912 | 594 |
fun mk_eq definer (pats, expr) = |
595 |
(Pretty.block o Pretty.breaks) ( |
|
596 |
[str definer, (str o resolv) name] |
|
19213 | 597 |
@ (if null pats andalso null sortctxt |
18912 | 598 |
then [str ":", ml_from_type NOBR ty] |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
599 |
else |
19213 | 600 |
map ml_from_tyvar sortctxt |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
601 |
@ map2 mk_arg pats |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
602 |
((curry Library.take (length pats) o fst o CodegenThingol.unfold_fun) ty)) |
18912 | 603 |
@ [str "=", ml_from_expr NOBR expr] |
604 |
) |
|
18216 | 605 |
in |
18912 | 606 |
(Pretty.block o Pretty.fbreaks o shift) ( |
607 |
mk_eq definer eq |
|
608 |
:: map (mk_eq "|") eq_tl |
|
609 |
) |
|
18380
9668764224a7
substantial improvements for class code generation
haftmann
parents:
18361
diff
changeset
|
610 |
end; |
18216 | 611 |
in |
612 |
chunk_defs ( |
|
19202 | 613 |
(mk_fun (the (fold check_args defs NONE)) o constructive_fun) def |
614 |
:: map (mk_fun "and" o constructive_fun) defs_tl |
|
19042
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
615 |
) |
18216 | 616 |
end; |
19042
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
617 |
fun ml_from_datatypes (defs as (def::defs_tl)) = |
18216 | 618 |
let |
18702 | 619 |
fun mk_cons (co, []) = |
620 |
str (resolv co) |
|
621 |
| mk_cons (co, tys) = |
|
19136 | 622 |
Pretty.block [ |
623 |
str (resolv co), |
|
624 |
str " of", |
|
625 |
Pretty.brk 1, |
|
626 |
Pretty.enum " *" "" "" (map (ml_from_type NOBR) tys) |
|
627 |
] |
|
19038 | 628 |
fun mk_datatype definer (t, (vs, cs)) = |
18912 | 629 |
(Pretty.block o Pretty.breaks) ( |
18702 | 630 |
str definer |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
631 |
:: ml_from_tycoexpr NOBR (t, map (ITyVar o fst) vs) |
18912 | 632 |
:: str "=" |
633 |
:: separate (str "|") (map mk_cons cs) |
|
18380
9668764224a7
substantial improvements for class code generation
haftmann
parents:
18361
diff
changeset
|
634 |
) |
9668764224a7
substantial improvements for class code generation
haftmann
parents:
18361
diff
changeset
|
635 |
in |
19042
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
636 |
chunk_defs ( |
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
637 |
mk_datatype "datatype" def |
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
638 |
:: map (mk_datatype "and") defs_tl |
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
639 |
) |
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
640 |
end; |
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
641 |
in (ml_from_funs, ml_from_datatypes) end; |
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
642 |
|
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
643 |
fun ml_from_defs (is_cons, needs_type) |
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
644 |
(from_prim, (_, tyco_syntax, const_syntax)) resolver prefix defs = |
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
645 |
let |
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
646 |
val resolv = resolver prefix; |
19213 | 647 |
val (ml_from_label, ml_from_tyvar, ml_from_sortlookup, ml_from_tycoexpr, ml_from_type, typify, ml_from_expr) = |
19042
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
648 |
ml_expr_seri (is_cons, needs_type) (tyco_syntax, const_syntax) resolv; |
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
649 |
val (ml_from_funs, ml_from_datatypes) = |
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
650 |
ml_fun_datatyp (is_cons, needs_type) (tyco_syntax, const_syntax) resolv; |
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
651 |
val filter_datatype = |
19482
9f11af8f7ef9
tuned basic list operators (flat, maps, map_filter);
wenzelm
parents:
19466
diff
changeset
|
652 |
map_filter |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
653 |
(fn (name, CodegenThingol.Datatype info) => SOME (name, info) |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
654 |
| (name, CodegenThingol.Datatypecons _) => NONE |
19042
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
655 |
| (name, def) => error ("datatype block containing illegal def: " |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
656 |
^ (Pretty.output o CodegenThingol.pretty_def) def)); |
19136 | 657 |
fun filter_class defs = |
19482
9f11af8f7ef9
tuned basic list operators (flat, maps, map_filter);
wenzelm
parents:
19466
diff
changeset
|
658 |
case map_filter |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
659 |
(fn (name, CodegenThingol.Class info) => SOME (name, info) |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
660 |
| (name, CodegenThingol.Classmember _) => NONE |
19136 | 661 |
| (name, def) => error ("class block containing illegal def: " |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
662 |
^ (Pretty.output o CodegenThingol.pretty_def) def)) defs |
19136 | 663 |
of [class] => class |
664 |
| _ => error ("class block without class: " ^ (commas o map (quote o fst)) defs) |
|
665 |
fun ml_from_class (name, (supclasses, (v, membrs))) = |
|
666 |
let |
|
667 |
fun from_supclass class = |
|
668 |
Pretty.block [ |
|
669 |
ml_from_label class, |
|
670 |
str ":", |
|
671 |
Pretty.brk 1, |
|
672 |
str ("'" ^ v), |
|
673 |
Pretty.brk 1, |
|
674 |
(str o resolv) class |
|
675 |
]; |
|
676 |
fun from_membr (m, (_, ty)) = |
|
677 |
Pretty.block [ |
|
678 |
ml_from_label m, |
|
679 |
str ":", |
|
680 |
Pretty.brk 1, |
|
681 |
ml_from_type NOBR ty |
|
682 |
]; |
|
683 |
fun from_membr_fun (m, _) = |
|
684 |
(Pretty.block o Pretty.breaks) [ |
|
685 |
str "fun", |
|
686 |
(str o resolv) m, |
|
687 |
Pretty.enclose "(" ")" [str (v ^ ":'" ^ v ^ " " ^ resolv name)], |
|
688 |
str "=", |
|
689 |
Pretty.block [str "#", ml_from_label m], |
|
690 |
str (v ^ ";") |
|
691 |
]; |
|
692 |
in |
|
693 |
Pretty.chunks ( |
|
694 |
(Pretty.block o Pretty.breaks) [ |
|
695 |
str "type", |
|
696 |
str ("'" ^ v), |
|
697 |
(str o resolv) name, |
|
698 |
str "=", |
|
699 |
Pretty.enum "," "{" "};" ( |
|
700 |
map from_supclass supclasses @ map from_membr membrs |
|
701 |
) |
|
702 |
] |
|
703 |
:: map from_membr_fun membrs) |
|
704 |
end |
|
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
705 |
fun ml_from_def (name, CodegenThingol.Undef) = |
18702 | 706 |
error ("empty definition during serialization: " ^ quote name) |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
707 |
| ml_from_def (name, CodegenThingol.Prim prim) = |
18963 | 708 |
from_prim resolv (name, prim) |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
709 |
| ml_from_def (name, CodegenThingol.Typesyn (vs, ty)) = |
18865 | 710 |
(map (fn (vname, []) => () | _ => |
711 |
error "can't serialize sort constrained type declaration to ML") vs; |
|
18702 | 712 |
Pretty.block [ |
713 |
str "type ", |
|
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
714 |
ml_from_tycoexpr NOBR (name, map (ITyVar o fst) vs), |
18702 | 715 |
str " =", |
18380
9668764224a7
substantial improvements for class code generation
haftmann
parents:
18361
diff
changeset
|
716 |
Pretty.brk 1, |
9668764224a7
substantial improvements for class code generation
haftmann
parents:
18361
diff
changeset
|
717 |
ml_from_type NOBR ty, |
18702 | 718 |
str ";" |
18380
9668764224a7
substantial improvements for class code generation
haftmann
parents:
18361
diff
changeset
|
719 |
] |
18702 | 720 |
) |> SOME |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
721 |
| ml_from_def (name, CodegenThingol.Classinst (((class, (tyco, arity)), suparities), memdefs)) = |
18865 | 722 |
let |
723 |
val definer = if null arity then "val" else "fun" |
|
19136 | 724 |
fun from_supclass (supclass, (supinst, lss)) = |
18885 | 725 |
(Pretty.block o Pretty.breaks) ( |
726 |
ml_from_label supclass |
|
727 |
:: str "=" |
|
19136 | 728 |
:: (str o resolv) supinst |
19280
5091dc43817b
slight improvement in serializer, stub for code generator theorems added
haftmann
parents:
19253
diff
changeset
|
729 |
:: (if null lss andalso (not o null) arity |
5091dc43817b
slight improvement in serializer, stub for code generator theorems added
haftmann
parents:
19253
diff
changeset
|
730 |
then [str "()"] |
5091dc43817b
slight improvement in serializer, stub for code generator theorems added
haftmann
parents:
19253
diff
changeset
|
731 |
else map (ml_from_sortlookup NOBR) lss) |
18885 | 732 |
); |
19253 | 733 |
fun from_memdef (m, ((m', def), lss)) = |
19213 | 734 |
(ml_from_funs [(m', def)], (Pretty.block o Pretty.breaks) ( |
19136 | 735 |
ml_from_label m |
736 |
:: str "=" |
|
19213 | 737 |
:: (str o resolv) m' |
19253 | 738 |
:: map (ml_from_sortlookup NOBR) lss |
19136 | 739 |
)); |
19253 | 740 |
fun mk_corp rhs = |
741 |
(Pretty.block o Pretty.breaks) ( |
|
742 |
str definer |
|
743 |
:: (str o resolv) name |
|
744 |
:: map ml_from_tyvar arity |
|
745 |
@ [str "=", rhs] |
|
746 |
); |
|
18865 | 747 |
fun mk_memdefs supclassexprs [] = |
748 |
Pretty.enum "," "{" "};" ( |
|
749 |
supclassexprs |
|
19253 | 750 |
) |> mk_corp |
18865 | 751 |
| mk_memdefs supclassexprs memdefs = |
752 |
let |
|
753 |
val (defs, assigns) = (split_list o map from_memdef) memdefs; |
|
754 |
in |
|
755 |
Pretty.chunks [ |
|
19253 | 756 |
Pretty.block [ |
757 |
str "local", |
|
758 |
Pretty.fbrk, |
|
759 |
Pretty.chunks defs |
|
760 |
], |
|
761 |
Pretty.block [str "in", Pretty.brk 1, |
|
762 |
(mk_corp o Pretty.block o Pretty.breaks) [ |
|
763 |
Pretty.enum "," "{" "}" (supclassexprs @ assigns), |
|
764 |
str ":", |
|
765 |
ml_from_tycoexpr NOBR (class, [tyco `%% map (ITyVar o fst) arity]) |
|
766 |
] |
|
767 |
], |
|
768 |
str "end; (* instance *)" |
|
769 |
] |
|
18865 | 770 |
end; |
771 |
in |
|
19253 | 772 |
mk_memdefs (map from_supclass suparities) memdefs |> SOME |
19213 | 773 |
end |
774 |
| ml_from_def (name, CodegenThingol.Classinstmember) = NONE; |
|
18850 | 775 |
in case defs |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
776 |
of (_, CodegenThingol.Fun _)::_ => (SOME o ml_from_funs o map (fn (name, CodegenThingol.Fun info) => (name, info))) defs |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
777 |
| (_, CodegenThingol.Datatypecons _)::_ => (SOME o ml_from_datatypes o filter_datatype) defs |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
778 |
| (_, CodegenThingol.Datatype _)::_ => (SOME o ml_from_datatypes o filter_datatype) defs |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
779 |
| (_, CodegenThingol.Class _)::_ => (SOME o ml_from_class o filter_class) defs |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
780 |
| (_, CodegenThingol.Classmember _)::_ => (SOME o ml_from_class o filter_class) defs |
18850 | 781 |
| [def] => ml_from_def def |
19136 | 782 |
| defs => error ("illegal mutual dependencies: " ^ (commas o map fst) defs) |
18216 | 783 |
end; |
784 |
||
19042
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
785 |
fun ml_annotators (nsp_dtcon, nsp_class, is_int_tyco) = |
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
786 |
let |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
787 |
fun needs_type tyco = |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
788 |
CodegenThingol.has_nsp tyco nsp_class |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
789 |
orelse is_int_tyco tyco; |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
790 |
fun is_cons c = CodegenThingol.has_nsp c nsp_dtcon; |
19042
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
791 |
in (is_cons, needs_type) end; |
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
792 |
|
18216 | 793 |
in |
794 |
||
18865 | 795 |
fun ml_from_thingol target (nsp_dtcon, nsp_class, is_int_tyco) nspgrp = |
18216 | 796 |
let |
19341
3414c04fbc39
added definitional code generator module: codegen_theorems.ML
haftmann
parents:
19280
diff
changeset
|
797 |
fun ml_from_module resolv _ ((_, name), ps) = |
18756 | 798 |
Pretty.chunks ([ |
18702 | 799 |
str ("structure " ^ name ^ " = "), |
800 |
str "struct", |
|
801 |
str "" |
|
802 |
] @ separate (str "") ps @ [ |
|
803 |
str "", |
|
804 |
str ("end; (* struct " ^ name ^ " *)") |
|
18756 | 805 |
]); |
19042
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
806 |
val (is_cons, needs_type) = ml_annotators (nsp_dtcon, nsp_class, is_int_tyco); |
18756 | 807 |
val serializer = abstract_serializer (target, nspgrp) |
18919 | 808 |
"ROOT" (ml_from_defs (is_cons, needs_type), ml_from_module, |
809 |
abstract_validator reserved_ml, snd); |
|
18756 | 810 |
fun eta_expander module const_syntax s = |
18702 | 811 |
case const_syntax s |
812 |
of SOME ((i, _), _) => i |
|
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
813 |
| _ => if CodegenThingol.has_nsp s nsp_dtcon |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
814 |
then case CodegenThingol.get_def module s |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
815 |
of CodegenThingol.Datatypecons dtname => |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
816 |
case CodegenThingol.get_def module dtname |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
817 |
of CodegenThingol.Datatype (_, cs) => |
18702 | 818 |
let val l = AList.lookup (op =) cs s |> the |> length |
819 |
in if l >= 2 then l else 0 end |
|
820 |
else 0; |
|
18756 | 821 |
fun preprocess const_syntax module = |
18702 | 822 |
module |
19341
3414c04fbc39
added definitional code generator module: codegen_theorems.ML
haftmann
parents:
19280
diff
changeset
|
823 |
|> debug_msg (fn _ => "eta-expanding...") |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
824 |
|> CodegenThingol.eta_expand (eta_expander module const_syntax) |
19341
3414c04fbc39
added definitional code generator module: codegen_theorems.ML
haftmann
parents:
19280
diff
changeset
|
825 |
|> debug_msg (fn _ => "eta-expanding polydefs...") |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
826 |
|> CodegenThingol.eta_expand_poly |
19341
3414c04fbc39
added definitional code generator module: codegen_theorems.ML
haftmann
parents:
19280
diff
changeset
|
827 |
(*|> debug 3 (fn _ => "unclashing expression/type variables...") |
3414c04fbc39
added definitional code generator module: codegen_theorems.ML
haftmann
parents:
19280
diff
changeset
|
828 |
|> CodegenThingol.unclash_vars_tvars*); |
18850 | 829 |
val parse_multi = |
830 |
OuterParse.name |
|
831 |
#-> (fn "dir" => |
|
832 |
parse_multi_file |
|
833 |
(K o SOME o str o suffix ";" o prefix "val _ = use " |
|
834 |
o quote o suffix ".ML" o translate_string (fn "." => "/" | s => s)) "ML" serializer |
|
835 |
| _ => Scan.fail ()); |
|
18282 | 836 |
in |
18850 | 837 |
(parse_multi |
838 |
|| parse_internal serializer |
|
839 |
|| parse_single_file serializer) |
|
18865 | 840 |
>> (fn seri => fn (class_syntax, tyco_syntax, const_syntax) => seri |
841 |
(preprocess const_syntax) (class_syntax, tyco_syntax, const_syntax)) |
|
18216 | 842 |
end; |
843 |
||
19150 | 844 |
fun mk_flat_ml_resolver names = |
845 |
let |
|
846 |
val mangler = |
|
847 |
NameMangler.empty |
|
848 |
|> fold_map (NameMangler.declare reserved_ml) names |
|
849 |
|-> (fn _ => I) |
|
850 |
in NameMangler.get reserved_ml mangler end; |
|
851 |
||
19042
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
852 |
fun ml_fun_datatype (nsp_dtcon, nsp_class, is_int_tyco) = |
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
853 |
ml_fun_datatyp (ml_annotators (nsp_dtcon, nsp_class, is_int_tyco)); |
630b8dd0b31a
exported some interfaces useful for other code generator approaches
haftmann
parents:
19038
diff
changeset
|
854 |
|
18216 | 855 |
end; (* local *) |
856 |
||
18282 | 857 |
local |
858 |
||
18963 | 859 |
fun hs_from_defs with_typs (from_prim, (class_syntax, tyco_syntax, const_syntax)) |
19038 | 860 |
resolver prefix defs = |
18282 | 861 |
let |
19341
3414c04fbc39
added definitional code generator module: codegen_theorems.ML
haftmann
parents:
19280
diff
changeset
|
862 |
val resolv = resolver ""; |
3414c04fbc39
added definitional code generator module: codegen_theorems.ML
haftmann
parents:
19280
diff
changeset
|
863 |
val resolv_here = resolver prefix; |
18704
2c86ced392a8
substantial improvement in serialization handling
haftmann
parents:
18702
diff
changeset
|
864 |
fun hs_from_sctxt vs = |
18282 | 865 |
let |
18865 | 866 |
fun from_class cls = |
18919 | 867 |
class_syntax cls |
868 |
|> the_default (resolv cls) |
|
18702 | 869 |
fun from_sctxt [] = str "" |
18282 | 870 |
| from_sctxt vs = |
871 |
vs |
|
18919 | 872 |
|> map (fn (v, cls) => str (from_class cls ^ " " ^ v)) |
18812 | 873 |
|> Pretty.enum "," "(" ")" |
18702 | 874 |
|> (fn p => Pretty.block [p, str " => "]) |
18282 | 875 |
in |
876 |
vs |
|
877 |
|> map (fn (v, sort) => map (pair v) sort) |
|
19466 | 878 |
|> flat |
18282 | 879 |
|> from_sctxt |
880 |
end; |
|
18963 | 881 |
fun hs_from_tycoexpr fxy (tyco, tys) = |
19341
3414c04fbc39
added definitional code generator module: codegen_theorems.ML
haftmann
parents:
19280
diff
changeset
|
882 |
brackify fxy (str tyco :: map (hs_from_type BR) tys) |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
883 |
and hs_from_type fxy (tycoexpr as tyco `%% tys) = |
18865 | 884 |
(case tyco_syntax tyco |
18335 | 885 |
of NONE => |
19341
3414c04fbc39
added definitional code generator module: codegen_theorems.ML
haftmann
parents:
19280
diff
changeset
|
886 |
hs_from_tycoexpr fxy (resolv tyco, tys) |
18702 | 887 |
| SOME ((i, k), pr) => |
18865 | 888 |
if not (i <= length tys andalso length tys <= k) |
18702 | 889 |
then error ("number of argument mismatch in customary serialization: " |
18865 | 890 |
^ (string_of_int o length) tys ^ " given, " |
891 |
^ string_of_int i ^ " to " ^ string_of_int k |
|
18702 | 892 |
^ " expected") |
18865 | 893 |
else pr fxy hs_from_type tys) |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
894 |
| hs_from_type fxy (t1 `-> t2) = |
18865 | 895 |
brackify_infix (1, R) fxy [ |
896 |
hs_from_type (INFX (1, X)) t1, |
|
897 |
str "->", |
|
898 |
hs_from_type (INFX (1, R)) t2 |
|
899 |
] |
|
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
900 |
| hs_from_type fxy (ITyVar v) = |
18919 | 901 |
str v; |
18963 | 902 |
fun hs_from_sctxt_tycoexpr (sctxt, tycoexpr) = |
903 |
Pretty.block [hs_from_sctxt sctxt, hs_from_tycoexpr NOBR tycoexpr] |
|
18865 | 904 |
fun hs_from_sctxt_type (sctxt, ty) = |
905 |
Pretty.block [hs_from_sctxt sctxt, hs_from_type NOBR ty] |
|
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
906 |
fun hs_from_expr fxy (e as IConst x) = |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
907 |
hs_from_app fxy (x, []) |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
908 |
| hs_from_expr fxy (e as (e1 `$ e2)) = |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
909 |
(case CodegenThingol.unfold_const_app e |
18865 | 910 |
of SOME x => hs_from_app fxy x |
18282 | 911 |
| _ => |
18704
2c86ced392a8
substantial improvement in serialization handling
haftmann
parents:
18702
diff
changeset
|
912 |
brackify fxy [ |
2c86ced392a8
substantial improvement in serialization handling
haftmann
parents:
18702
diff
changeset
|
913 |
hs_from_expr NOBR e1, |
2c86ced392a8
substantial improvement in serialization handling
haftmann
parents:
18702
diff
changeset
|
914 |
hs_from_expr BR e2 |
18282 | 915 |
]) |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
916 |
| hs_from_expr fxy (IVar v) = |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
917 |
(str o String.implode o nth_map 0 Char.toLower o String.explode) v |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
918 |
| hs_from_expr fxy (e as _ `|-> _) = |
18282 | 919 |
let |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
920 |
val (es, e) = CodegenThingol.unfold_abs e |
18282 | 921 |
in |
19038 | 922 |
brackify BR ( |
18702 | 923 |
str "\\" |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
924 |
:: map (hs_from_expr BR o fst) es @ [ |
18702 | 925 |
str "->", |
19038 | 926 |
hs_from_expr NOBR e |
18282 | 927 |
]) |
928 |
end |
|
19213 | 929 |
| hs_from_expr fxy (INum ((n, ty), _)) = |
930 |
brackify BR [ |
|
19341
3414c04fbc39
added definitional code generator module: codegen_theorems.ML
haftmann
parents:
19280
diff
changeset
|
931 |
(str o (fn s => if nth_string s 0 = "~" |
3414c04fbc39
added definitional code generator module: codegen_theorems.ML
haftmann
parents:
19280
diff
changeset
|
932 |
then enclose "(" ")" ("negate " ^ unprefix "~" s) else s) o IntInf.toString) n, |
19213 | 933 |
str "::", |
934 |
hs_from_type NOBR ty |
|
935 |
] |
|
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
936 |
| hs_from_expr fxy (e as IAbs _) = |
18282 | 937 |
let |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
938 |
val (es, e) = CodegenThingol.unfold_abs e |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
939 |
in |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
940 |
brackify BR ( |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
941 |
str "\\" |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
942 |
:: map (hs_from_expr BR o fst) es @ [ |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
943 |
str "->", |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
944 |
hs_from_expr NOBR e |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
945 |
]) |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
946 |
end |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
947 |
| hs_from_expr fxy (e as ICase ((_, [_]), _)) = |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
948 |
let |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
949 |
val (ps, body) = CodegenThingol.unfold_let e; |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
950 |
fun mk_bind ((p, _), e) = (Pretty.block o Pretty.breaks) [ |
18865 | 951 |
hs_from_expr BR p, |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
952 |
str "=", |
18704
2c86ced392a8
substantial improvement in serialization handling
haftmann
parents:
18702
diff
changeset
|
953 |
hs_from_expr NOBR e |
18282 | 954 |
]; |
955 |
in Pretty.chunks [ |
|
18702 | 956 |
[str ("let"), Pretty.fbrk, map mk_bind ps |> Pretty.chunks] |> Pretty.block, |
18704
2c86ced392a8
substantial improvement in serialization handling
haftmann
parents:
18702
diff
changeset
|
957 |
[str ("in "), hs_from_expr NOBR body] |> Pretty.block |
18282 | 958 |
] end |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
959 |
| hs_from_expr fxy (ICase (((de, _), bses), _)) = |
18282 | 960 |
let |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
961 |
fun mk_clause (se, be) = |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
962 |
(Pretty.block o Pretty.breaks) [ |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
963 |
hs_from_expr NOBR se, |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
964 |
str "->", |
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
965 |
hs_from_expr NOBR be |
18282 | 966 |
] |
18850 | 967 |
in Pretty.block [ |
968 |
str "case", |
|
969 |
Pretty.brk 1, |
|
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
970 |
hs_from_expr NOBR de, |
18850 | 971 |
Pretty.brk 1, |
972 |
str "of", |
|
973 |
Pretty.fbrk, |
|
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
974 |
(Pretty.chunks o map mk_clause) bses |
18850 | 975 |
] end |
18865 | 976 |
and hs_mk_app c es = |
18919 | 977 |
(str o resolv) c :: map (hs_from_expr BR) es |
19202 | 978 |
and hs_from_app fxy ((c, (ty, ls)), es) = |
19136 | 979 |
from_app hs_mk_app hs_from_expr const_syntax fxy ((c, ty), es); |
19202 | 980 |
fun hs_from_funeqs (def as (name, _)) = |
18865 | 981 |
let |
19202 | 982 |
fun from_eq (args, rhs) = |
18865 | 983 |
Pretty.block [ |
19038 | 984 |
(str o resolv_here) name, |
18865 | 985 |
Pretty.block (map (fn p => Pretty.block [Pretty.brk 1, hs_from_expr BR p]) args), |
986 |
Pretty.brk 1, |
|
987 |
str ("="), |
|
988 |
Pretty.brk 1, |
|
989 |
hs_from_expr NOBR rhs |
|
990 |
] |
|
19202 | 991 |
in Pretty.chunks ((map from_eq o fst o snd o constructive_fun) def) end; |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
992 |
fun hs_from_def (name, CodegenThingol.Undef) = |
18702 | 993 |
error ("empty statement during serialization: " ^ quote name) |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
994 |
| hs_from_def (name, CodegenThingol.Prim prim) = |
19038 | 995 |
from_prim resolv_here (name, prim) |
19202 | 996 |
| hs_from_def (name, CodegenThingol.Fun (def as (_, (sctxt, ty)))) = |
18963 | 997 |
let |
19202 | 998 |
val body = hs_from_funeqs (name, def); |
18963 | 999 |
in if with_typs then |
1000 |
Pretty.chunks [ |
|
1001 |
Pretty.block [ |
|
19038 | 1002 |
(str o suffix " ::" o resolv_here) name, |
18963 | 1003 |
Pretty.brk 1, |
1004 |
hs_from_sctxt_type (sctxt, ty) |
|
1005 |
], |
|
1006 |
body |
|
1007 |
] |> SOME |
|
1008 |
else SOME body end |
|
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
1009 |
| hs_from_def (name, CodegenThingol.Typesyn (sctxt, ty)) = |
18282 | 1010 |
Pretty.block [ |
18702 | 1011 |
str "type ", |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
1012 |
hs_from_sctxt_tycoexpr (sctxt, (resolv_here name, map (ITyVar o fst) sctxt)), |
18702 | 1013 |
str " =", |
18282 | 1014 |
Pretty.brk 1, |
18865 | 1015 |
hs_from_sctxt_type ([], ty) |
18380
9668764224a7
substantial improvements for class code generation
haftmann
parents:
18361
diff
changeset
|
1016 |
] |> SOME |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
1017 |
| hs_from_def (name, CodegenThingol.Datatype (sctxt, constrs)) = |
18380
9668764224a7
substantial improvements for class code generation
haftmann
parents:
18361
diff
changeset
|
1018 |
let |
9668764224a7
substantial improvements for class code generation
haftmann
parents:
18361
diff
changeset
|
1019 |
fun mk_cons (co, tys) = |
9668764224a7
substantial improvements for class code generation
haftmann
parents:
18361
diff
changeset
|
1020 |
(Pretty.block o Pretty.breaks) ( |
19038 | 1021 |
(str o resolv_here) co |
19597 | 1022 |
:: map (hs_from_type BR) tys |
18380
9668764224a7
substantial improvements for class code generation
haftmann
parents:
18361
diff
changeset
|
1023 |
) |
9668764224a7
substantial improvements for class code generation
haftmann
parents:
18361
diff
changeset
|
1024 |
in |
19597 | 1025 |
Pretty.block ( |
18702 | 1026 |
str "data " |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
1027 |
:: hs_from_sctxt_tycoexpr (sctxt, (resolv_here name, map (ITyVar o fst) sctxt)) |
18702 | 1028 |
:: str " =" |
18380
9668764224a7
substantial improvements for class code generation
haftmann
parents:
18361
diff
changeset
|
1029 |
:: Pretty.brk 1 |
18702 | 1030 |
:: separate (Pretty.block [Pretty.brk 1, str "| "]) (map mk_cons constrs) |
19597 | 1031 |
) |
18380
9668764224a7
substantial improvements for class code generation
haftmann
parents:
18361
diff
changeset
|
1032 |
end |> SOME |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
1033 |
| hs_from_def (_, CodegenThingol.Datatypecons _) = |
18380
9668764224a7
substantial improvements for class code generation
haftmann
parents:
18361
diff
changeset
|
1034 |
NONE |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
1035 |
| hs_from_def (name, CodegenThingol.Class (supclasss, (v, membrs))) = |
18380
9668764224a7
substantial improvements for class code generation
haftmann
parents:
18361
diff
changeset
|
1036 |
let |
18865 | 1037 |
fun mk_member (m, (sctxt, ty)) = |
18380
9668764224a7
substantial improvements for class code generation
haftmann
parents:
18361
diff
changeset
|
1038 |
Pretty.block [ |
19038 | 1039 |
str (resolv_here m ^ " ::"), |
18380
9668764224a7
substantial improvements for class code generation
haftmann
parents:
18361
diff
changeset
|
1040 |
Pretty.brk 1, |
18865 | 1041 |
hs_from_sctxt_type (sctxt, ty) |
18380
9668764224a7
substantial improvements for class code generation
haftmann
parents:
18361
diff
changeset
|
1042 |
] |
9668764224a7
substantial improvements for class code generation
haftmann
parents:
18361
diff
changeset
|
1043 |
in |
9668764224a7
substantial improvements for class code generation
haftmann
parents:
18361
diff
changeset
|
1044 |
Pretty.block [ |
18702 | 1045 |
str "class ", |
19213 | 1046 |
hs_from_sctxt [(v, supclasss)], |
19038 | 1047 |
str (resolv_here name ^ " " ^ v), |
18702 | 1048 |
str " where", |
18380
9668764224a7
substantial improvements for class code generation
haftmann
parents:
18361
diff
changeset
|
1049 |
Pretty.fbrk, |
9668764224a7
substantial improvements for class code generation
haftmann
parents:
18361
diff
changeset
|
1050 |
Pretty.chunks (map mk_member membrs) |
9668764224a7
substantial improvements for class code generation
haftmann
parents:
18361
diff
changeset
|
1051 |
] |> SOME |
9668764224a7
substantial improvements for class code generation
haftmann
parents:
18361
diff
changeset
|
1052 |
end |
19213 | 1053 |
| hs_from_def (_, CodegenThingol.Classmember _) = |
18380
9668764224a7
substantial improvements for class code generation
haftmann
parents:
18361
diff
changeset
|
1054 |
NONE |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
1055 |
| hs_from_def (_, CodegenThingol.Classinst (((clsname, (tyco, arity)), _), memdefs)) = |
18385 | 1056 |
Pretty.block [ |
18702 | 1057 |
str "instance ", |
19213 | 1058 |
hs_from_sctxt arity, |
1059 |
str (resolv clsname ^ " "), |
|
1060 |
hs_from_type BR (tyco `%% map (ITyVar o fst) arity), |
|
18702 | 1061 |
str " where", |
18385 | 1062 |
Pretty.fbrk, |
19253 | 1063 |
Pretty.chunks (map (fn (m, ((_, (eqs, ty)), _)) => hs_from_funeqs (m, (eqs, ty))) memdefs) |
18380
9668764224a7
substantial improvements for class code generation
haftmann
parents:
18361
diff
changeset
|
1064 |
] |> SOME |
19213 | 1065 |
| hs_from_def (_, CodegenThingol.Classinstmember) = |
1066 |
NONE |
|
18380
9668764224a7
substantial improvements for class code generation
haftmann
parents:
18361
diff
changeset
|
1067 |
in |
19482
9f11af8f7ef9
tuned basic list operators (flat, maps, map_filter);
wenzelm
parents:
19466
diff
changeset
|
1068 |
case map_filter (fn (name, def) => hs_from_def (name, def)) defs |
18380
9668764224a7
substantial improvements for class code generation
haftmann
parents:
18361
diff
changeset
|
1069 |
of [] => NONE |
18702 | 1070 |
| l => (SOME o Pretty.chunks o separate (str "")) l |
18282 | 1071 |
end; |
1072 |
||
1073 |
in |
|
1074 |
||
18919 | 1075 |
fun hs_from_thingol target nsps_upper nspgrp = |
18282 | 1076 |
let |
18704
2c86ced392a8
substantial improvement in serialization handling
haftmann
parents:
18702
diff
changeset
|
1077 |
val reserved_hs = [ |
18702 | 1078 |
"hiding", "deriving", "where", "case", "of", "infix", "infixl", "infixr", |
1079 |
"import", "default", "forall", "let", "in", "class", "qualified", "data", |
|
1080 |
"newtype", "instance", "if", "then", "else", "type", "as", "do", "module" |
|
1081 |
] @ [ |
|
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
1082 |
"Bool", "Integer", "Maybe", "True", "False", "Nothing", "Just", "not", "negate" |
18702 | 1083 |
]; |
19341
3414c04fbc39
added definitional code generator module: codegen_theorems.ML
haftmann
parents:
19280
diff
changeset
|
1084 |
fun hs_from_module resolv imps ((_, name), ps) = |
19038 | 1085 |
(Pretty.chunks) ( |
1086 |
str ("module " ^ name ^ " where") |
|
1087 |
:: map (str o prefix "import qualified ") imps @ ( |
|
1088 |
str "" |
|
1089 |
:: separate (str "") ps |
|
1090 |
)); |
|
18919 | 1091 |
fun postproc (shallow, n) = |
1092 |
let |
|
1093 |
fun ch_first f = String.implode o nth_map 0 f o String.explode; |
|
1094 |
in if member (op =) nsps_upper shallow |
|
1095 |
then ch_first Char.toUpper n |
|
1096 |
else ch_first Char.toLower n |
|
1097 |
end; |
|
18963 | 1098 |
fun serializer with_typs = abstract_serializer (target, nspgrp) |
1099 |
"Main" (hs_from_defs with_typs, hs_from_module, abstract_validator reserved_hs, postproc); |
|
18756 | 1100 |
fun eta_expander const_syntax c = |
18702 | 1101 |
const_syntax c |
1102 |
|> Option.map (fst o fst) |
|
1103 |
|> the_default 0; |
|
18756 | 1104 |
fun preprocess const_syntax module = |
18702 | 1105 |
module |
19341
3414c04fbc39
added definitional code generator module: codegen_theorems.ML
haftmann
parents:
19280
diff
changeset
|
1106 |
|> debug_msg (fn _ => "eta-expanding...") |
19167
f237c0cb3882
refined representation of codegen intermediate language
haftmann
parents:
19150
diff
changeset
|
1107 |
|> CodegenThingol.eta_expand (eta_expander const_syntax) |
18282 | 1108 |
in |
18963 | 1109 |
(Scan.optional (OuterParse.name >> (fn "no_typs" => false | s => Scan.fail_with (fn _ => "illegal flag: " ^ quote s) true)) true |
1110 |
#-> (fn with_typs => parse_multi_file ((K o K) NONE) "hs" (serializer with_typs))) |
|
1111 |
>> (fn (seri) => fn (class_syntax, tyco_syntax, const_syntax) => seri |
|
18865 | 1112 |
(preprocess const_syntax) (class_syntax, tyco_syntax, const_syntax)) |
18282 | 1113 |
end; |
1114 |
||
1115 |
end; (* local *) |
|
1116 |
||
18702 | 1117 |
|
1118 |
(** lookup record **) |
|
1119 |
||
1120 |
val serializers = |
|
1121 |
let |
|
1122 |
fun seri s f = (s, f s); |
|
1123 |
in { |
|
1124 |
ml = seri "ml" ml_from_thingol, |
|
18704
2c86ced392a8
substantial improvement in serialization handling
haftmann
parents:
18702
diff
changeset
|
1125 |
haskell = seri "haskell" hs_from_thingol |
18702 | 1126 |
} end; |
1127 |
||
18216 | 1128 |
end; (* struct *) |