adamc@29
|
1 (* Copyright (c) 2008, Adam Chlipala
|
adamc@29
|
2 * All rights reserved.
|
adamc@29
|
3 *
|
adamc@29
|
4 * Redistribution and use in source and binary forms, with or without
|
adamc@29
|
5 * modification, are permitted provided that the following conditions are met:
|
adamc@29
|
6 *
|
adamc@29
|
7 * - Redistributions of source code must retain the above copyright notice,
|
adamc@29
|
8 * this list of conditions and the following disclaimer.
|
adamc@29
|
9 * - Redistributions in binary form must reproduce the above copyright notice,
|
adamc@29
|
10 * this list of conditions and the following disclaimer in the documentation
|
adamc@29
|
11 * and/or other materials provided with the distribution.
|
adamc@29
|
12 * - The names of contributors may not be used to endorse or promote products
|
adamc@29
|
13 * derived from this software without specific prior written permission.
|
adamc@29
|
14 *
|
adamc@29
|
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
adamc@29
|
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
adamc@29
|
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
adamc@29
|
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
adamc@29
|
19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
adamc@29
|
20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
adamc@29
|
21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
adamc@29
|
22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
adamc@29
|
23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
adamc@29
|
24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
adamc@29
|
25 * POSSIBILITY OF SUCH DAMAGE.
|
adamc@29
|
26 *)
|
adamc@29
|
27
|
adamc@29
|
28 (* Pretty-printing C jr. *)
|
adamc@29
|
29
|
adamc@29
|
30 structure CjrPrint :> CJR_PRINT = struct
|
adamc@29
|
31
|
adamc@29
|
32 open Print.PD
|
adamc@29
|
33 open Print
|
adamc@29
|
34
|
adamc@29
|
35 open Cjr
|
adamc@29
|
36
|
adamc@29
|
37 structure E = CjrEnv
|
adamc@29
|
38 structure EM = ErrorMsg
|
adamc@29
|
39
|
adamc@144
|
40 structure SK = struct
|
adamc@144
|
41 type ord_key = string
|
adamc@144
|
42 val compare = String.compare
|
adamc@144
|
43 end
|
adamc@144
|
44
|
adamc@144
|
45 structure SS = BinarySetFn(SK)
|
adamc@144
|
46 structure SM = BinaryMapFn(SK)
|
adamc@144
|
47 structure IS = IntBinarySet
|
adamc@144
|
48
|
adamc@144
|
49 structure CM = BinaryMapFn(struct
|
adamc@144
|
50 type ord_key = char
|
adamc@144
|
51 val compare = Char.compare
|
adamc@144
|
52 end)
|
adamc@144
|
53
|
adamc@29
|
54 val debug = ref false
|
adamc@29
|
55
|
adamc@29
|
56 val dummyTyp = (TNamed 0, ErrorMsg.dummySpan)
|
adamc@29
|
57
|
adamc@29
|
58 fun p_typ' par env (t, loc) =
|
adamc@29
|
59 case t of
|
adamc@101
|
60 TTop => string "void*"
|
adamc@109
|
61 | TFun (t1, t2) => parenIf par (box [p_typ' true env t2,
|
adamc@109
|
62 space,
|
adamc@109
|
63 string "(*)",
|
adamc@109
|
64 space,
|
adamc@109
|
65 string "(",
|
adamc@109
|
66 p_typ env t1,
|
adamc@109
|
67 string ")"])
|
adamc@29
|
68 | TRecord i => box [string "struct",
|
adamc@29
|
69 space,
|
adamc@29
|
70 string "__lws_",
|
adamc@29
|
71 string (Int.toString i)]
|
adamc@29
|
72 | TNamed n =>
|
adamc@165
|
73 (box [string "struct",
|
adamc@165
|
74 space,
|
adamc@165
|
75 string ("__lwt_" ^ #1 (E.lookupTNamed env n) ^ "_" ^ Int.toString n ^ "*")]
|
adamc@29
|
76 handle CjrEnv.UnboundNamed _ => string ("__lwt_UNBOUND__" ^ Int.toString n))
|
adamc@53
|
77 | TFfi (m, x) => box [string "lw_", string m, string "_", string x]
|
adamc@29
|
78
|
adamc@29
|
79 and p_typ env = p_typ' false env
|
adamc@29
|
80
|
adamc@29
|
81 fun p_rel env n = string ("__lwr_" ^ #1 (E.lookupERel env n) ^ "_" ^ Int.toString (E.countERels env - n - 1))
|
adamc@29
|
82 handle CjrEnv.UnboundRel _ => string ("__lwr_UNBOUND_" ^ Int.toString (E.countERels env - n - 1))
|
adamc@29
|
83
|
adamc@109
|
84 fun p_enamed env n =
|
adamc@109
|
85 string ("__lwn_" ^ #1 (E.lookupENamed env n) ^ "_" ^ Int.toString n)
|
adamc@109
|
86 handle CjrEnv.UnboundNamed _ => string ("__lwn_UNBOUND_" ^ Int.toString n)
|
adamc@109
|
87
|
adamc@29
|
88 fun p_exp' par env (e, _) =
|
adamc@29
|
89 case e of
|
adamc@29
|
90 EPrim p => Prim.p_t p
|
adamc@29
|
91 | ERel n => p_rel env n
|
adamc@109
|
92 | ENamed n => p_enamed env n
|
adamc@109
|
93
|
adamc@53
|
94 | EFfi (m, x) => box [string "lw_", string m, string "_", string x]
|
adamc@53
|
95 | EFfiApp (m, x, es) => box [string "lw_",
|
adamc@53
|
96 string m,
|
adamc@53
|
97 string "_",
|
adamc@53
|
98 string x,
|
adamc@117
|
99 string "(ctx, ",
|
adamc@53
|
100 p_list (p_exp env) es,
|
adamc@53
|
101 string ")"]
|
adamc@129
|
102 | EApp (e1, e2) =>
|
adamc@129
|
103 let
|
adamc@129
|
104 fun unravel (f, acc) =
|
adamc@129
|
105 case #1 f of
|
adamc@129
|
106 EApp (f', arg) => unravel (f', arg :: acc)
|
adamc@129
|
107 | _ => (f, acc)
|
adamc@129
|
108
|
adamc@129
|
109 val (f, args) = unravel (e1, [e2])
|
adamc@129
|
110 in
|
adamc@129
|
111 parenIf par (box [p_exp' true env e1,
|
adamc@129
|
112 string "(ctx,",
|
adamc@129
|
113 space,
|
adamc@129
|
114 p_list_sep (box [string ",", space]) (p_exp env) args,
|
adamc@129
|
115 string ")"])
|
adamc@129
|
116 end
|
adamc@29
|
117
|
adamc@29
|
118 | ERecord (i, xes) => box [string "({",
|
adamc@29
|
119 space,
|
adamc@29
|
120 string "struct",
|
adamc@29
|
121 space,
|
adamc@29
|
122 string ("__lws_" ^ Int.toString i),
|
adamc@29
|
123 space,
|
adamc@29
|
124 string "__lw_tmp",
|
adamc@29
|
125 space,
|
adamc@29
|
126 string "=",
|
adamc@29
|
127 space,
|
adamc@29
|
128 string "{",
|
adamc@29
|
129 p_list (fn (_, e) =>
|
adamc@29
|
130 p_exp env e) xes,
|
adamc@29
|
131 string "};",
|
adamc@29
|
132 space,
|
adamc@29
|
133 string "__lw_tmp;",
|
adamc@29
|
134 space,
|
adamc@29
|
135 string "})" ]
|
adamc@29
|
136 | EField (e, x) =>
|
adamc@29
|
137 box [p_exp' true env e,
|
adamc@29
|
138 string ".",
|
adamc@29
|
139 string x]
|
adamc@29
|
140
|
adamc@117
|
141 | EWrite e => box [string "(lw_write(ctx, ",
|
adamc@102
|
142 p_exp env e,
|
adamc@102
|
143 string "), lw_unit_v)"]
|
adamc@102
|
144
|
adamc@106
|
145 | ESeq (e1, e2) => box [string "(",
|
adamc@106
|
146 p_exp env e1,
|
adamc@106
|
147 string ",",
|
adamc@106
|
148 space,
|
adamc@106
|
149 p_exp env e2,
|
adamc@106
|
150 string ")"]
|
adamc@106
|
151
|
adamc@29
|
152 and p_exp env = p_exp' false env
|
adamc@29
|
153
|
adamc@129
|
154 fun p_fun env (fx, n, args, ran, e) =
|
adamc@129
|
155 let
|
adamc@129
|
156 val nargs = length args
|
adamc@129
|
157 val env' = foldl (fn ((x, dom), env) => E.pushERel env x dom) env args
|
adamc@129
|
158 in
|
adamc@129
|
159 box [string "static",
|
adamc@129
|
160 space,
|
adamc@129
|
161 p_typ env ran,
|
adamc@129
|
162 space,
|
adamc@129
|
163 string ("__lwn_" ^ fx ^ "_" ^ Int.toString n),
|
adamc@129
|
164 string "(",
|
adamc@129
|
165 p_list_sep (box [string ",", space]) (fn x => x)
|
adamc@129
|
166 (string "lw_context ctx" :: ListUtil.mapi (fn (i, (_, dom)) =>
|
adamc@129
|
167 box [p_typ env dom,
|
adamc@129
|
168 space,
|
adamc@129
|
169 p_rel env' (nargs - i - 1)]) args),
|
adamc@129
|
170 string ")",
|
adamc@129
|
171 space,
|
adamc@129
|
172 string "{",
|
adamc@129
|
173 newline,
|
adamc@129
|
174 box[string "return(",
|
adamc@129
|
175 p_exp env' e,
|
adamc@129
|
176 string ");"],
|
adamc@129
|
177 newline,
|
adamc@129
|
178 string "}"]
|
adamc@129
|
179 end
|
adamc@129
|
180
|
adamc@129
|
181 fun p_decl env (dAll as (d, _) : decl) =
|
adamc@29
|
182 case d of
|
adamc@29
|
183 DStruct (n, xts) =>
|
adamc@29
|
184 box [string "struct",
|
adamc@29
|
185 space,
|
adamc@29
|
186 string ("__lws_" ^ Int.toString n),
|
adamc@29
|
187 space,
|
adamc@29
|
188 string "{",
|
adamc@29
|
189 newline,
|
adamc@29
|
190 p_list_sep (box []) (fn (x, t) => box [p_typ env t,
|
adamc@29
|
191 space,
|
adamc@29
|
192 string x,
|
adamc@29
|
193 string ";",
|
adamc@29
|
194 newline]) xts,
|
adamc@29
|
195 string "};"]
|
adamc@165
|
196 | DDatatype (x, n, xncs) =>
|
adamc@165
|
197 let
|
adamc@165
|
198 val xncsArgs = List.mapPartial (fn (x, n, NONE) => NONE
|
adamc@165
|
199 | (x, n, SOME t) => SOME (x, n, t)) xncs
|
adamc@165
|
200 in
|
adamc@165
|
201 box [string "enum",
|
adamc@165
|
202 space,
|
adamc@165
|
203 string ("__lwe_" ^ x ^ "_" ^ Int.toString n),
|
adamc@165
|
204 space,
|
adamc@165
|
205 string "{",
|
adamc@165
|
206 space,
|
adamc@165
|
207 p_list_sep (box [string ",", space]) (fn (x, n, _) => string ("__lwc_" ^ x ^ "_" ^ Int.toString n)) xncs,
|
adamc@165
|
208 space,
|
adamc@165
|
209 string "};",
|
adamc@165
|
210 newline,
|
adamc@165
|
211 newline,
|
adamc@165
|
212 string "struct",
|
adamc@165
|
213 space,
|
adamc@165
|
214 string ("_lwd_" ^ x ^ "_" ^ Int.toString n),
|
adamc@165
|
215 space,
|
adamc@165
|
216 string "{",
|
adamc@165
|
217 newline,
|
adamc@165
|
218 string "enum",
|
adamc@165
|
219 space,
|
adamc@165
|
220 string ("__lwe_" ^ x ^ "_" ^ Int.toString n),
|
adamc@165
|
221 space,
|
adamc@165
|
222 string "tag;",
|
adamc@165
|
223 newline,
|
adamc@165
|
224 box (case xncsArgs of
|
adamc@165
|
225 [] => []
|
adamc@165
|
226 | _ => [string "union",
|
adamc@165
|
227 space,
|
adamc@165
|
228 string "{",
|
adamc@165
|
229 newline,
|
adamc@165
|
230 p_list_sep newline (fn (x, n, t) => box [p_typ env t,
|
adamc@165
|
231 space,
|
adamc@165
|
232 string ("__lwc_" ^ x),
|
adamc@165
|
233 string ";"]) xncsArgs,
|
adamc@165
|
234 newline,
|
adamc@165
|
235 string "}",
|
adamc@165
|
236 space,
|
adamc@165
|
237 string "data;",
|
adamc@165
|
238 newline]),
|
adamc@165
|
239 string "};"]
|
adamc@165
|
240 end
|
adamc@29
|
241
|
adamc@29
|
242 | DVal (x, n, t, e) =>
|
adamc@29
|
243 box [p_typ env t,
|
adamc@29
|
244 space,
|
adamc@29
|
245 string ("__lwn_" ^ x ^ "_" ^ Int.toString n),
|
adamc@29
|
246 space,
|
adamc@29
|
247 string "=",
|
adamc@29
|
248 space,
|
adamc@29
|
249 p_exp env e,
|
adamc@29
|
250 string ";"]
|
adamc@129
|
251 | DFun vi => p_fun env vi
|
adamc@129
|
252 | DFunRec vis =>
|
adamc@29
|
253 let
|
adamc@129
|
254 val env = E.declBinds env dAll
|
adamc@29
|
255 in
|
adamc@129
|
256 box [p_list_sep newline (fn (fx, n, args, ran, _) =>
|
adamc@129
|
257 box [string "static",
|
adamc@129
|
258 space,
|
adamc@129
|
259 p_typ env ran,
|
adamc@129
|
260 space,
|
adamc@129
|
261 string ("__lwn_" ^ fx ^ "_" ^ Int.toString n),
|
adamc@129
|
262 string "(lw_context,",
|
adamc@129
|
263 space,
|
adamc@129
|
264 p_list_sep (box [string ",", space])
|
adamc@129
|
265 (fn (_, dom) => p_typ env dom) args,
|
adamc@129
|
266 string ");"]) vis,
|
adamc@29
|
267 newline,
|
adamc@129
|
268 p_list_sep newline (p_fun env) vis,
|
adamc@129
|
269 newline]
|
adamc@29
|
270 end
|
adamc@29
|
271
|
adamc@144
|
272 datatype 'a search =
|
adamc@144
|
273 Found of 'a
|
adamc@144
|
274 | NotFound
|
adamc@144
|
275 | Error
|
adamc@120
|
276
|
adamc@101
|
277
|
adamc@101
|
278 fun p_file env (ds, ps) =
|
adamc@29
|
279 let
|
adamc@101
|
280 val (pds, env) = ListUtil.foldlMap (fn (d, env) =>
|
adamc@31
|
281 (p_decl env d,
|
adamc@31
|
282 E.declBinds env d))
|
adamc@101
|
283 env ds
|
adamc@144
|
284
|
adamc@144
|
285 val fields = foldl (fn ((ek, _, _, ts), fields) =>
|
adamc@144
|
286 case ek of
|
adamc@144
|
287 Core.Link => fields
|
adamc@144
|
288 | Core.Action =>
|
adamc@144
|
289 case List.last ts of
|
adamc@144
|
290 (TRecord i, _) =>
|
adamc@144
|
291 let
|
adamc@144
|
292 val xts = E.lookupStruct env i
|
adamc@144
|
293 val xtsSet = SS.addList (SS.empty, map #1 xts)
|
adamc@144
|
294 in
|
adamc@144
|
295 foldl (fn ((x, _), fields) =>
|
adamc@144
|
296 let
|
adamc@144
|
297 val xtsSet' = Option.getOpt (SM.find (fields, x), SS.empty)
|
adamc@144
|
298 in
|
adamc@144
|
299 SM.insert (fields, x, SS.union (SS.delete (xtsSet, x),
|
adamc@144
|
300 xtsSet'))
|
adamc@144
|
301 end) fields xts
|
adamc@144
|
302 end
|
adamc@144
|
303 | _ => raise Fail "CjrPrint: Last argument of action isn't record")
|
adamc@144
|
304 SM.empty ps
|
adamc@144
|
305
|
adamc@144
|
306 val fnums = SM.foldli (fn (x, xs, fnums) =>
|
adamc@144
|
307 let
|
adamc@144
|
308 val unusable = SS.foldl (fn (x', unusable) =>
|
adamc@144
|
309 case SM.find (fnums, x') of
|
adamc@144
|
310 NONE => unusable
|
adamc@144
|
311 | SOME n => IS.add (unusable, n))
|
adamc@144
|
312 IS.empty xs
|
adamc@144
|
313
|
adamc@144
|
314 fun findAvailable n =
|
adamc@144
|
315 if IS.member (unusable, n) then
|
adamc@144
|
316 findAvailable (n + 1)
|
adamc@144
|
317 else
|
adamc@144
|
318 n
|
adamc@144
|
319 in
|
adamc@144
|
320 SM.insert (fnums, x, findAvailable 0)
|
adamc@144
|
321 end)
|
adamc@144
|
322 SM.empty fields
|
adamc@144
|
323
|
adamc@144
|
324 fun makeSwitch (fnums, i) =
|
adamc@144
|
325 case SM.foldl (fn (n, NotFound) => Found n
|
adamc@144
|
326 | (n, Error) => Error
|
adamc@144
|
327 | (n, Found n') => if n = n' then
|
adamc@144
|
328 Found n'
|
adamc@144
|
329 else
|
adamc@144
|
330 Error) NotFound fnums of
|
adamc@144
|
331 NotFound => box [string "return",
|
adamc@144
|
332 space,
|
adamc@144
|
333 string "-1;"]
|
adamc@144
|
334 | Found n => box [string "return",
|
adamc@144
|
335 space,
|
adamc@144
|
336 string (Int.toString n),
|
adamc@144
|
337 string ";"]
|
adamc@144
|
338 | Error =>
|
adamc@144
|
339 let
|
adamc@144
|
340 val cmap = SM.foldli (fn (x, n, cmap) =>
|
adamc@144
|
341 let
|
adamc@144
|
342 val ch = if i < size x then
|
adamc@144
|
343 String.sub (x, i)
|
adamc@144
|
344 else
|
adamc@144
|
345 chr 0
|
adamc@144
|
346
|
adamc@144
|
347 val fnums = case CM.find (cmap, ch) of
|
adamc@144
|
348 NONE => SM.empty
|
adamc@144
|
349 | SOME fnums => fnums
|
adamc@144
|
350 val fnums = SM.insert (fnums, x, n)
|
adamc@144
|
351 in
|
adamc@144
|
352 CM.insert (cmap, ch, fnums)
|
adamc@144
|
353 end)
|
adamc@144
|
354 CM.empty fnums
|
adamc@144
|
355
|
adamc@144
|
356 val cmap = CM.listItemsi cmap
|
adamc@144
|
357 in
|
adamc@144
|
358 case cmap of
|
adamc@144
|
359 [(_, fnums)] =>
|
adamc@144
|
360 box [string "if",
|
adamc@144
|
361 space,
|
adamc@144
|
362 string "(name[",
|
adamc@144
|
363 string (Int.toString i),
|
adamc@144
|
364 string "]",
|
adamc@144
|
365 space,
|
adamc@144
|
366 string "==",
|
adamc@144
|
367 space,
|
adamc@144
|
368 string "0)",
|
adamc@144
|
369 space,
|
adamc@144
|
370 string "return",
|
adamc@144
|
371 space,
|
adamc@144
|
372 string "-1;",
|
adamc@144
|
373 newline,
|
adamc@144
|
374 makeSwitch (fnums, i+1)]
|
adamc@144
|
375 | _ =>
|
adamc@144
|
376 box [string "switch",
|
adamc@144
|
377 space,
|
adamc@144
|
378 string "(name[",
|
adamc@144
|
379 string (Int.toString i),
|
adamc@144
|
380 string "])",
|
adamc@144
|
381 space,
|
adamc@144
|
382 string "{",
|
adamc@144
|
383 newline,
|
adamc@144
|
384 box (map (fn (ch, fnums) =>
|
adamc@144
|
385 box [string "case",
|
adamc@144
|
386 space,
|
adamc@144
|
387 if ch = chr 0 then
|
adamc@144
|
388 string "0:"
|
adamc@144
|
389 else
|
adamc@144
|
390 box [string "'",
|
adamc@144
|
391 string (Char.toString ch),
|
adamc@144
|
392 string "':"],
|
adamc@144
|
393 newline,
|
adamc@144
|
394 makeSwitch (fnums, i+1),
|
adamc@144
|
395 newline]) cmap),
|
adamc@144
|
396 string "default:",
|
adamc@144
|
397 newline,
|
adamc@144
|
398 string "return",
|
adamc@144
|
399 space,
|
adamc@144
|
400 string "-1;",
|
adamc@144
|
401 newline,
|
adamc@144
|
402 string "}"]
|
adamc@144
|
403 end
|
adamc@144
|
404
|
adamc@144
|
405 fun unurlify (t, loc) =
|
adamc@144
|
406 case t of
|
adamc@144
|
407 TFfi ("Basis", "int") => string "lw_unurlifyInt(&request)"
|
adamc@144
|
408 | TFfi ("Basis", "float") => string "lw_unurlifyFloat(&request)"
|
adamc@144
|
409 | TFfi ("Basis", "string") => string "lw_unurlifyString(ctx, &request)"
|
adamc@144
|
410
|
adamc@144
|
411 | TRecord 0 => string "lw_unit_v"
|
adamc@144
|
412 | TRecord i =>
|
adamc@144
|
413 let
|
adamc@144
|
414 val xts = E.lookupStruct env i
|
adamc@144
|
415 in
|
adamc@144
|
416 box [string "({",
|
adamc@144
|
417 newline,
|
adamc@144
|
418 box (map (fn (x, t) =>
|
adamc@144
|
419 box [p_typ env t,
|
adamc@144
|
420 space,
|
adamc@144
|
421 string x,
|
adamc@144
|
422 space,
|
adamc@144
|
423 string "=",
|
adamc@144
|
424 space,
|
adamc@144
|
425 unurlify t,
|
adamc@144
|
426 string ";",
|
adamc@144
|
427 newline]) xts),
|
adamc@144
|
428 string "struct",
|
adamc@144
|
429 space,
|
adamc@144
|
430 string "__lws_",
|
adamc@144
|
431 string (Int.toString i),
|
adamc@144
|
432 space,
|
adamc@144
|
433 string "__lw_tmp",
|
adamc@144
|
434 space,
|
adamc@144
|
435 string "=",
|
adamc@144
|
436 space,
|
adamc@144
|
437 string "{",
|
adamc@144
|
438 space,
|
adamc@144
|
439 p_list_sep (box [string ",", space]) (fn (x, _) => string x) xts,
|
adamc@144
|
440 space,
|
adamc@144
|
441 string "};",
|
adamc@144
|
442 newline,
|
adamc@144
|
443 string "__lw_tmp;",
|
adamc@144
|
444 newline,
|
adamc@144
|
445 string "})"]
|
adamc@144
|
446 end
|
adamc@144
|
447
|
adamc@144
|
448 | _ => (ErrorMsg.errorAt loc "Unable to choose a URL decoding function";
|
adamc@144
|
449 space)
|
adamc@144
|
450
|
adamc@144
|
451
|
adamc@144
|
452 fun p_page (ek, s, n, ts) =
|
adamc@144
|
453 let
|
adamc@144
|
454 val (ts, defInputs, inputsVar) =
|
adamc@144
|
455 case ek of
|
adamc@144
|
456 Core.Link => (ts, string "", string "")
|
adamc@144
|
457 | Core.Action =>
|
adamc@144
|
458 case List.last ts of
|
adamc@144
|
459 (TRecord i, _) =>
|
adamc@144
|
460 let
|
adamc@144
|
461 val xts = E.lookupStruct env i
|
adamc@144
|
462 in
|
adamc@144
|
463 (List.drop (ts, 1),
|
adamc@144
|
464 box [box (map (fn (x, t) => box [p_typ env t,
|
adamc@144
|
465 space,
|
adamc@144
|
466 string "lw_input_",
|
adamc@144
|
467 string x,
|
adamc@144
|
468 string ";",
|
adamc@144
|
469 newline]) xts),
|
adamc@144
|
470 newline,
|
adamc@144
|
471 box (map (fn (x, t) =>
|
adamc@144
|
472 let
|
adamc@144
|
473 val n = case SM.find (fnums, x) of
|
adamc@144
|
474 NONE => raise Fail "CjrPrint: Can't find in fnums"
|
adamc@144
|
475 | SOME n => n
|
adamc@144
|
476 in
|
adamc@144
|
477 box [string "request = lw_get_input(ctx, ",
|
adamc@144
|
478 string (Int.toString n),
|
adamc@144
|
479 string ");",
|
adamc@144
|
480 newline,
|
adamc@144
|
481 string "if (request == NULL) {",
|
adamc@144
|
482 newline,
|
adamc@144
|
483 box [string "printf(\"Missing input ",
|
adamc@144
|
484 string x,
|
adamc@144
|
485 string "\\n\");",
|
adamc@144
|
486 newline,
|
adamc@144
|
487 string "exit(1);"],
|
adamc@144
|
488 newline,
|
adamc@144
|
489 string "}",
|
adamc@144
|
490 newline,
|
adamc@144
|
491 string "lw_input_",
|
adamc@144
|
492 string x,
|
adamc@144
|
493 space,
|
adamc@144
|
494 string "=",
|
adamc@144
|
495 space,
|
adamc@144
|
496 unurlify t,
|
adamc@144
|
497 string ";",
|
adamc@144
|
498 newline]
|
adamc@144
|
499 end) xts),
|
adamc@144
|
500 string "struct __lws_",
|
adamc@144
|
501 string (Int.toString i),
|
adamc@144
|
502 space,
|
adamc@144
|
503 string "lw_inputs",
|
adamc@144
|
504 space,
|
adamc@144
|
505 string "= {",
|
adamc@144
|
506 newline,
|
adamc@144
|
507 box (map (fn (x, _) => box [string "lw_input_",
|
adamc@144
|
508 string x,
|
adamc@144
|
509 string ",",
|
adamc@144
|
510 newline]) xts),
|
adamc@144
|
511 string "};",
|
adamc@144
|
512 newline],
|
adamc@144
|
513 box [string ",",
|
adamc@144
|
514 space,
|
adamc@144
|
515 string "lw_inputs"])
|
adamc@144
|
516 end
|
adamc@144
|
517
|
adamc@144
|
518 | _ => raise Fail "CjrPrint: Last argument to an action isn't a record"
|
adamc@144
|
519 in
|
adamc@144
|
520 box [string "if (!strncmp(request, \"",
|
adamc@144
|
521 string (String.toString s),
|
adamc@144
|
522 string "\", ",
|
adamc@144
|
523 string (Int.toString (size s)),
|
adamc@144
|
524 string ")) {",
|
adamc@144
|
525 newline,
|
adamc@144
|
526 string "request += ",
|
adamc@144
|
527 string (Int.toString (size s)),
|
adamc@144
|
528 string ";",
|
adamc@144
|
529 newline,
|
adamc@144
|
530 string "if (*request == '/') ++request;",
|
adamc@144
|
531 newline,
|
adamc@144
|
532 box [string "{",
|
adamc@144
|
533 newline,
|
adamc@144
|
534 box (ListUtil.mapi (fn (i, t) => box [p_typ env t,
|
adamc@144
|
535 space,
|
adamc@144
|
536 string "arg",
|
adamc@144
|
537 string (Int.toString i),
|
adamc@144
|
538 space,
|
adamc@144
|
539 string "=",
|
adamc@144
|
540 space,
|
adamc@144
|
541 unurlify t,
|
adamc@144
|
542 string ";",
|
adamc@144
|
543 newline]) ts),
|
adamc@144
|
544 defInputs,
|
adamc@144
|
545 p_enamed env n,
|
adamc@144
|
546 string "(",
|
adamc@144
|
547 p_list_sep (box [string ",", space])
|
adamc@144
|
548 (fn x => x)
|
adamc@144
|
549 (string "ctx" :: ListUtil.mapi (fn (i, _) => string ("arg" ^ Int.toString i)) ts),
|
adamc@144
|
550 inputsVar,
|
adamc@144
|
551 string ");",
|
adamc@144
|
552 newline,
|
adamc@144
|
553 string "return;",
|
adamc@144
|
554 newline,
|
adamc@144
|
555 string "}",
|
adamc@144
|
556 newline,
|
adamc@144
|
557 string "}"]
|
adamc@144
|
558 ]
|
adamc@144
|
559 end
|
adamc@144
|
560
|
adamc@144
|
561 val pds' = map p_page ps
|
adamc@29
|
562 in
|
adamc@144
|
563 box [string "#include <stdio.h>",
|
adamc@144
|
564 newline,
|
adamc@144
|
565 string "#include <stdlib.h>",
|
adamc@144
|
566 newline,
|
adamc@144
|
567 newline,
|
adamc@144
|
568 string "#include \"lacweb.h\"",
|
adamc@101
|
569 newline,
|
adamc@101
|
570 newline,
|
adamc@101
|
571 p_list_sep newline (fn x => x) pds,
|
adamc@101
|
572 newline,
|
adamc@144
|
573 string "int lw_inputs_len = ",
|
adamc@144
|
574 string (Int.toString (SM.foldl Int.max 0 fnums + 1)),
|
adamc@144
|
575 string ";",
|
adamc@144
|
576 newline,
|
adamc@144
|
577 newline,
|
adamc@144
|
578 string "int lw_input_num(char *name) {",
|
adamc@144
|
579 newline,
|
adamc@144
|
580 string "if",
|
adamc@144
|
581 space,
|
adamc@144
|
582 string "(name[0]",
|
adamc@144
|
583 space,
|
adamc@144
|
584 string "==",
|
adamc@144
|
585 space,
|
adamc@144
|
586 string "0)",
|
adamc@144
|
587 space,
|
adamc@144
|
588 string "return",
|
adamc@144
|
589 space,
|
adamc@144
|
590 string "-1;",
|
adamc@144
|
591 newline,
|
adamc@144
|
592 makeSwitch (fnums, 0),
|
adamc@144
|
593 string "}",
|
adamc@144
|
594 newline,
|
adamc@144
|
595 newline,
|
adamc@117
|
596 string "void lw_handle(lw_context ctx, char *request) {",
|
adamc@101
|
597 newline,
|
adamc@101
|
598 p_list_sep newline (fn x => x) pds',
|
adamc@101
|
599 newline,
|
adamc@101
|
600 string "}",
|
adamc@101
|
601 newline]
|
adamc@29
|
602 end
|
adamc@29
|
603
|
adamc@29
|
604 end
|