Commit | Line | Data |
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ae4735db | 1 | (* |
abad11c5 | 2 | * Copyright (C) 2012, INRIA. |
ae4735db C |
3 | * Copyright (C) 2010, University of Copenhagen DIKU and INRIA. |
4 | * Copyright (C) 2006, 2007 Julia Lawall | |
978fd7e5 C |
5 | * |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public License (GPL) | |
8 | * version 2 as published by the Free Software Foundation. | |
951c7801 | 9 | * |
978fd7e5 C |
10 | * This program is distributed in the hope that it will be useful, |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * file license.txt for more details. | |
951c7801 | 14 | * |
978fd7e5 C |
15 | * This file was part of Coccinelle. |
16 | *) | |
34e49164 C |
17 | open Common |
18 | ||
19 | (*****************************************************************************) | |
951c7801 | 20 | (* mostly a copy paste of parsing_cocci/pretty_print_cocci.ml |
34e49164 C |
21 | * todo?: try to factorize ? |
22 | *) | |
23 | (*****************************************************************************) | |
24 | ||
25 | module Ast = Ast_cocci | |
26 | ||
27 | let term s = Ast.unwrap_mcode s | |
28 | ||
951c7801 C |
29 | (* or perhaps can have in plus, for instance a Disj, but those Disj must be |
30 | * handled by interactive tool (by proposing alternatives) | |
34e49164 C |
31 | *) |
32 | exception CantBeInPlus | |
33 | ||
34 | (*****************************************************************************) | |
35 | ||
36 | type pos = Before | After | InPlace | |
5636bb2c | 37 | type nlhint = StartBox | EndBox | SpaceOrNewline of string ref |
34e49164 | 38 | |
190f1acf C |
39 | let get_string_info = function |
40 | Ast.Noindent s | Ast.Indent s | Ast.Space s -> s | |
41 | ||
708f4980 C |
42 | let unknown = -1 |
43 | ||
951c7801 | 44 | let rec do_all |
708f4980 | 45 | (env, pr, pr_celem, pr_cspace, pr_space, pr_arity, pr_barrier, |
993936c0 | 46 | indent, unindent, eatspace) |
faf9a90c | 47 | generating xxs before = |
34e49164 C |
48 | |
49 | (* Just to be able to copy paste the code from pretty_print_cocci.ml. *) | |
708f4980 C |
50 | let print_string s line lcol = |
51 | let rcol = if lcol = unknown then unknown else lcol + (String.length s) in | |
5636bb2c C |
52 | pr s line lcol rcol None in |
53 | let print_string_with_hint hint s line lcol = | |
54 | let rcol = if lcol = unknown then unknown else lcol + (String.length s) in | |
55 | pr s line lcol rcol (Some hint) in | |
56 | let print_text s = pr s unknown unknown unknown None in | |
34e49164 | 57 | let close_box _ = () in |
fc1ad971 | 58 | let force_newline _ = print_text "\n" in |
34e49164 C |
59 | |
60 | let start_block () = force_newline(); indent() in | |
c3e37e97 | 61 | let end_block () = unindent true; force_newline () in |
34e49164 C |
62 | let print_string_box s = print_string s in |
63 | ||
64 | let print_option = Common.do_option in | |
002099fc C |
65 | let print_option_space fn = function |
66 | None -> () | |
67 | | Some x -> fn x; pr_space() in | |
755320b0 C |
68 | let print_option_prespace fn = function |
69 | None -> () | |
70 | | Some x -> pr_space(); fn x in | |
34e49164 C |
71 | let print_between = Common.print_between in |
72 | ||
abad11c5 C |
73 | let rec param_print_between between fn = function |
74 | | [] -> () | |
75 | | [x] -> fn x | |
76 | | x::xs -> fn x; between x; param_print_between between fn xs in | |
77 | ||
78 | ||
113803cf C |
79 | let outdent _ = () (* should go to leftmost col, does nothing now *) in |
80 | ||
81 | let pretty_print_c = | |
978fd7e5 | 82 | Pretty_print_c.mk_pretty_printers pr_celem pr_cspace |
c3e37e97 | 83 | force_newline indent outdent (function _ -> unindent true) in |
113803cf | 84 | |
34e49164 | 85 | (* --------------------------------------------------------------------- *) |
faf9a90c | 86 | (* Only for make_hrule, print plus code, unbound metavariables *) |
34e49164 | 87 | |
faf9a90c C |
88 | (* avoid polyvariance problems *) |
89 | let anything : (Ast.anything -> unit) ref = ref (function _ -> ()) in | |
34e49164 | 90 | |
faf9a90c C |
91 | let rec print_anything = function |
92 | [] -> () | |
93 | | stream -> | |
94 | start_block(); | |
95 | print_between force_newline print_anything_list stream; | |
96 | end_block() | |
97 | ||
98 | and print_anything_list = function | |
34e49164 | 99 | [] -> () |
faf9a90c C |
100 | | [x] -> !anything x |
101 | | bef::((aft::_) as rest) -> | |
102 | !anything bef; | |
103 | let space = | |
104 | (match bef with | |
105 | Ast.Rule_elemTag(_) | Ast.AssignOpTag(_) | Ast.BinaryOpTag(_) | |
106 | | Ast.ArithOpTag(_) | Ast.LogicalOpTag(_) | |
107 | | Ast.Token("if",_) | Ast.Token("while",_) -> true | _ -> false) or | |
108 | (match aft with | |
109 | Ast.Rule_elemTag(_) | Ast.AssignOpTag(_) | Ast.BinaryOpTag(_) | |
110 | | Ast.ArithOpTag(_) | Ast.LogicalOpTag(_) | Ast.Token("{",_) -> true | |
111 | | _ -> false) in | |
708f4980 | 112 | if space then pr_space (); |
faf9a90c C |
113 | print_anything_list rest in |
114 | ||
115 | let print_around printer term = function | |
116 | Ast.NOTHING -> printer term | |
951c7801 C |
117 | | Ast.BEFORE(bef,_) -> print_anything bef; printer term |
118 | | Ast.AFTER(aft,_) -> printer term; print_anything aft | |
119 | | Ast.BEFOREAFTER(bef,aft,_) -> | |
faf9a90c C |
120 | print_anything bef; printer term; print_anything aft in |
121 | ||
0708f913 | 122 | let print_string_befaft fn fn1 x info = |
190f1acf | 123 | let print ln col s = print_string (get_string_info s) ln col in |
708f4980 | 124 | List.iter |
c3e37e97 | 125 | (function (s,ln,col) -> fn1(); print ln col s; force_newline()) |
faf9a90c C |
126 | info.Ast.strbef; |
127 | fn x; | |
708f4980 | 128 | List.iter |
c3e37e97 | 129 | (function (s,ln,col) -> force_newline(); fn1(); print ln col s) |
faf9a90c | 130 | info.Ast.straft in |
708f4980 | 131 | let print_meta (r,x) = print_text x in |
faf9a90c | 132 | |
8f657093 C |
133 | let print_pos l = |
134 | List.iter | |
135 | (function | |
136 | Ast.MetaPos(name,_,_,_,_) -> | |
137 | let name = Ast.unwrap_mcode name in | |
138 | print_text "@"; print_meta name) | |
139 | l in | |
faf9a90c C |
140 | |
141 | (* --------------------------------------------------------------------- *) | |
142 | ||
708f4980 C |
143 | let mcode fn (s,info,mc,pos) = |
144 | let line = info.Ast.line in | |
145 | let lcol = info.Ast.column in | |
146 | match (generating,mc) with | |
147 | (false,_) -> | |
faf9a90c C |
148 | (* printing for transformation *) |
149 | (* Here we don't care about the annotation on s. *) | |
0708f913 C |
150 | let print_comments lb comments = |
151 | List.fold_left | |
152 | (function line_before -> | |
153 | function (str,line,col) -> | |
154 | match line_before with | |
c3e37e97 C |
155 | None -> |
156 | let str = | |
157 | match str with | |
158 | Ast.Noindent s -> unindent false; s | |
190f1acf C |
159 | | Ast.Indent s -> s |
160 | | Ast.Space s -> s in | |
c3e37e97 | 161 | print_string str line col; Some line |
708f4980 | 162 | | Some lb when line =|= lb -> |
190f1acf | 163 | print_string (get_string_info str) line col; Some line |
c3e37e97 | 164 | | _ -> |
aa721442 C |
165 | force_newline(); |
166 | (* not super elegant to put side-effecting unindent in a let | |
167 | expression... *) | |
c3e37e97 C |
168 | let str = |
169 | match str with | |
170 | Ast.Noindent s -> unindent false; s | |
190f1acf C |
171 | | Ast.Indent s -> s |
172 | | Ast.Space s -> s in | |
aa721442 | 173 | print_string str line col; Some line) |
0708f913 C |
174 | lb comments in |
175 | let line_before = print_comments None info.Ast.strbef in | |
176 | (match line_before with | |
177 | None -> () | |
b1b2de81 | 178 | | Some lb when lb =|= info.Ast.line -> () |
708f4980 C |
179 | | _ -> force_newline()); |
180 | fn s line lcol; | |
0708f913 | 181 | let _ = print_comments (Some info.Ast.line) info.Ast.straft in |
fc1ad971 C |
182 | (* newline after a pragma |
183 | should really store parsed versions of the strings, but make a cheap | |
184 | effort here | |
185 | print_comments takes care of interior newlines *) | |
0708f913 | 186 | () |
faf9a90c | 187 | (* printing for rule generation *) |
708f4980 C |
188 | | (true, Ast.MINUS(_,_,_,plus_stream)) -> |
189 | force_newline(); | |
190 | print_text "- "; | |
191 | fn s line lcol; print_pos pos; | |
8babbc8f C |
192 | (match plus_stream with |
193 | Ast.NOREPLACEMENT -> () | |
194 | | Ast.REPLACEMENT(plus_stream,ct) -> print_anything plus_stream) | |
708f4980 C |
195 | | (true, Ast.CONTEXT(_,plus_streams)) -> |
196 | let fn s = force_newline(); fn s line lcol; print_pos pos in | |
197 | print_around fn s plus_streams | |
951c7801 | 198 | | (true,Ast.PLUS Ast.ONE) -> |
708f4980 C |
199 | let fn s = |
200 | force_newline(); print_text "+ "; fn s line lcol; print_pos pos in | |
201 | print_string_befaft fn (function _ -> print_text "+ ") s info | |
951c7801 C |
202 | | (true,Ast.PLUS Ast.MANY) -> |
203 | let fn s = | |
204 | force_newline(); print_text "++ "; fn s line lcol; print_pos pos in | |
205 | print_string_befaft fn (function _ -> print_text "++ ") s info | |
34e49164 C |
206 | in |
207 | ||
faf9a90c C |
208 | |
209 | (* --------------------------------------------------------------------- *) | |
210 | ||
abad11c5 | 211 | let lookup_metavar name = |
708f4980 C |
212 | let ((_,b) as s,info,mc,pos) = name in |
213 | let line = info.Ast.line in | |
214 | let lcol = info.Ast.column in | |
abad11c5 C |
215 | let rcol = if lcol = unknown then unknown else lcol + (String.length b) in |
216 | let res = Common.optionise (fun () -> List.assoc s env) in | |
217 | (res,b,line,lcol,rcol) in | |
218 | ||
219 | let handle_metavar name fn = | |
220 | let (res,name_string,line,lcol,rcol) = lookup_metavar name in | |
221 | match res with | |
708f4980 | 222 | None -> |
faf9a90c | 223 | if generating |
abad11c5 | 224 | then mcode (function _ -> print_string name_string) name |
faf9a90c C |
225 | else |
226 | failwith | |
227 | (Printf.sprintf "SP line %d: Not found a value in env for: %s" | |
abad11c5 | 228 | line name_string) |
faf9a90c | 229 | | Some e -> |
708f4980 C |
230 | pr_barrier line lcol; |
231 | (if generating | |
232 | then | |
233 | (* call mcode to preserve the -+ annotation *) | |
234 | mcode (fun _ _ _ -> fn e) name | |
235 | else fn e); | |
708f4980 | 236 | pr_barrier line rcol |
faf9a90c | 237 | in |
34e49164 C |
238 | (* --------------------------------------------------------------------- *) |
239 | let dots between fn d = | |
240 | match Ast.unwrap d with | |
abad11c5 C |
241 | Ast.DOTS(l) -> param_print_between between fn l |
242 | | Ast.CIRCLES(l) -> param_print_between between fn l | |
243 | | Ast.STARS(l) -> param_print_between between fn l | |
34e49164 C |
244 | in |
245 | ||
5636bb2c C |
246 | let nest_dots starter ender fn f d = |
247 | mcode print_string starter; | |
248 | f(); start_block(); | |
249 | (match Ast.unwrap d with | |
250 | Ast.DOTS(l) -> print_between force_newline fn l | |
251 | | Ast.CIRCLES(l) -> print_between force_newline fn l | |
252 | | Ast.STARS(l) -> print_between force_newline fn l); | |
253 | end_block(); | |
254 | mcode print_string ender | |
faf9a90c | 255 | in |
34e49164 | 256 | |
d3f655c6 C |
257 | let print_disj_list fn l = |
258 | print_text "\n(\n"; | |
259 | print_between (function _ -> print_text "\n|\n") fn l; | |
260 | print_text "\n)\n" in | |
261 | ||
34e49164 C |
262 | (* --------------------------------------------------------------------- *) |
263 | (* Identifier *) | |
264 | ||
265 | let rec ident i = | |
266 | match Ast.unwrap i with | |
951c7801 C |
267 | Ast.Id(name) -> mcode print_string name |
268 | | Ast.MetaId(name,_,_,_) -> | |
269 | handle_metavar name (function | |
5636bb2c | 270 | | (Ast_c.MetaIdVal (id,_)) -> print_text id |
abad11c5 | 271 | | _ -> raise (Impossible 142) |
951c7801 C |
272 | ) |
273 | | Ast.MetaFunc(name,_,_,_) -> | |
274 | handle_metavar name (function | |
275 | | (Ast_c.MetaFuncVal id) -> print_text id | |
abad11c5 | 276 | | _ -> raise (Impossible 143) |
951c7801 C |
277 | ) |
278 | | Ast.MetaLocalFunc(name,_,_,_) -> | |
279 | handle_metavar name (function | |
280 | | (Ast_c.MetaLocalFuncVal id) -> print_text id | |
abad11c5 | 281 | | _ -> raise (Impossible 144) |
951c7801 C |
282 | ) |
283 | ||
d6ce1786 C |
284 | | Ast.AsIdent(id,asid) -> ident id |
285 | ||
d3f655c6 C |
286 | | Ast.DisjId(id_list) -> |
287 | if generating | |
288 | then print_disj_list ident id_list | |
289 | else raise CantBeInPlus | |
951c7801 C |
290 | | Ast.OptIdent(_) | Ast.UniqueIdent(_) -> |
291 | raise CantBeInPlus | |
34e49164 C |
292 | in |
293 | ||
1b9ae606 | 294 | |
34e49164 C |
295 | (* --------------------------------------------------------------------- *) |
296 | (* Expression *) | |
297 | ||
298 | let rec expression e = | |
1b9ae606 C |
299 | let top = 0 in |
300 | let assign = 1 in | |
301 | let cond = 2 in | |
302 | let log_or = 3 in | |
303 | let log_and = 4 in | |
304 | let bit_or = 5 in | |
305 | let bit_xor = 6 in | |
306 | let bit_and = 7 in | |
307 | let equal = 8 in | |
308 | let relat = 9 in | |
309 | let shift = 10 in | |
310 | let addit = 11 in | |
311 | let mulit = 12 in | |
312 | let cast = 13 in | |
313 | let unary = 14 in | |
314 | let postfix = 15 in | |
315 | let primary = 16 in | |
316 | let left_prec_of (op, _, _, _) = | |
317 | match op with | |
318 | | Ast.Arith Ast.Plus -> addit | |
319 | | Ast.Arith Ast.Minus -> addit | |
320 | | Ast.Arith Ast.Mul -> mulit | |
321 | | Ast.Arith Ast.Div -> mulit | |
322 | | Ast.Arith Ast.Min -> relat | |
323 | | Ast.Arith Ast.Max -> relat | |
324 | | Ast.Arith Ast.Mod -> mulit | |
325 | | Ast.Arith Ast.DecLeft -> shift | |
326 | | Ast.Arith Ast.DecRight -> shift | |
327 | | Ast.Arith Ast.And -> bit_and | |
328 | | Ast.Arith Ast.Or -> bit_or | |
329 | | Ast.Arith Ast.Xor -> bit_xor | |
330 | ||
331 | | Ast.Logical Ast.Inf -> relat | |
332 | | Ast.Logical Ast.Sup -> relat | |
333 | | Ast.Logical Ast.InfEq -> relat | |
334 | | Ast.Logical Ast.SupEq -> relat | |
335 | | Ast.Logical Ast.Eq -> equal | |
336 | | Ast.Logical Ast.NotEq -> equal | |
337 | | Ast.Logical Ast.AndLog -> log_and | |
338 | | Ast.Logical Ast.OrLog -> log_or | |
339 | in | |
340 | let right_prec_of (op, _, _, _) = | |
341 | match op with | |
342 | | Ast.Arith Ast.Plus -> mulit | |
343 | | Ast.Arith Ast.Minus -> mulit | |
344 | | Ast.Arith Ast.Mul -> cast | |
345 | | Ast.Arith Ast.Div -> cast | |
346 | | Ast.Arith Ast.Min -> shift | |
347 | | Ast.Arith Ast.Max -> shift | |
348 | | Ast.Arith Ast.Mod -> cast | |
349 | | Ast.Arith Ast.DecLeft -> addit | |
350 | | Ast.Arith Ast.DecRight -> addit | |
351 | | Ast.Arith Ast.And -> equal | |
352 | | Ast.Arith Ast.Or -> bit_xor | |
353 | | Ast.Arith Ast.Xor -> bit_and | |
354 | ||
355 | | Ast.Logical Ast.Inf -> shift | |
356 | | Ast.Logical Ast.Sup -> shift | |
357 | | Ast.Logical Ast.InfEq -> shift | |
358 | | Ast.Logical Ast.SupEq -> shift | |
359 | | Ast.Logical Ast.Eq -> relat | |
360 | | Ast.Logical Ast.NotEq -> relat | |
361 | | Ast.Logical Ast.AndLog -> bit_or | |
362 | | Ast.Logical Ast.OrLog -> log_and | |
363 | in | |
364 | let prec_of_c = function | |
365 | | Ast_c.Ident (ident) -> primary | |
366 | | Ast_c.Constant (c) -> primary | |
367 | | Ast_c.FunCall (e, es) -> postfix | |
368 | | Ast_c.CondExpr (e1, e2, e3) -> cond | |
369 | | Ast_c.Sequence (e1, e2) -> top | |
370 | | Ast_c.Assignment (e1, op, e2) -> assign | |
371 | | Ast_c.Postfix(e, op) -> postfix | |
372 | | Ast_c.Infix (e, op) -> unary | |
373 | | Ast_c.Unary (e, op) -> unary | |
374 | | Ast_c.Binary (e1, Ast_c.Arith Ast_c.Plus, e2) -> addit | |
375 | | Ast_c.Binary (e1, Ast_c.Arith Ast_c.Minus, e2) -> addit | |
376 | | Ast_c.Binary (e1, Ast_c.Arith Ast_c.Mul, e2) -> addit | |
377 | | Ast_c.Binary (e1, Ast_c.Arith Ast_c.Div, e2) -> addit | |
378 | | Ast_c.Binary (e1, Ast_c.Arith Ast_c.Min, e2) -> relat | |
379 | | Ast_c.Binary (e1, Ast_c.Arith Ast_c.Max, e2) -> relat | |
380 | | Ast_c.Binary (e1, Ast_c.Arith Ast_c.Mod, e2) -> addit | |
381 | | Ast_c.Binary (e1, Ast_c.Arith Ast_c.DecLeft, e2) -> addit | |
382 | | Ast_c.Binary (e1, Ast_c.Arith Ast_c.DecRight, e2) -> addit | |
383 | | Ast_c.Binary (e1, Ast_c.Arith Ast_c.And, e2) -> addit | |
384 | | Ast_c.Binary (e1, Ast_c.Arith Ast_c.Or, e2) -> addit | |
385 | | Ast_c.Binary (e1, Ast_c.Arith Ast_c.Xor, e2) -> addit | |
386 | | Ast_c.Binary (e1, Ast_c.Logical Ast_c.AndLog, e2) -> addit | |
387 | | Ast_c.Binary (e1, Ast_c.Logical Ast_c.OrLog, e2) -> addit | |
388 | | Ast_c.Binary (e1, Ast_c.Logical Ast_c.Eq, e2) -> addit | |
389 | | Ast_c.Binary (e1, Ast_c.Logical Ast_c.NotEq, e2) -> addit | |
390 | | Ast_c.Binary (e1, Ast_c.Logical Ast_c.Sup, e2) -> addit | |
391 | | Ast_c.Binary (e1, Ast_c.Logical Ast_c.Inf, e2) -> addit | |
392 | | Ast_c.Binary (e1, Ast_c.Logical Ast_c.SupEq, e2) -> addit | |
393 | | Ast_c.Binary (e1, Ast_c.Logical Ast_c.InfEq, e2) -> addit | |
394 | | Ast_c.ArrayAccess (e1, e2) -> postfix | |
395 | | Ast_c.RecordAccess (e, name) -> postfix | |
396 | | Ast_c.RecordPtAccess (e, name) -> postfix | |
397 | | Ast_c.SizeOfExpr (e) -> unary | |
398 | | Ast_c.SizeOfType (t) -> unary | |
399 | | Ast_c.Cast (t, e) -> cast | |
400 | | Ast_c.StatementExpr (statxs, _) -> top | |
401 | | Ast_c.Constructor (t, init) -> unary | |
402 | | Ast_c.ParenExpr (e) -> primary | |
403 | | Ast_c.New (_, t) -> unary | |
404 | | Ast_c.Delete(t) -> unary | |
405 | in | |
406 | ||
407 | let rec loop e prec = | |
34e49164 C |
408 | match Ast.unwrap e with |
409 | Ast.Ident(id) -> ident id | |
34e49164 C |
410 | | Ast.Constant(const) -> mcode constant const |
411 | | Ast.FunCall(fn,lp,args,rp) -> | |
1b9ae606 | 412 | loop fn postfix; mcode (print_string_with_hint StartBox) lp; |
5636bb2c C |
413 | dots (function _ -> ()) arg_expression args; |
414 | mcode (print_string_with_hint EndBox) rp | |
34e49164 | 415 | | Ast.Assignment(left,op,right,_) -> |
1b9ae606 C |
416 | loop left unary; pr_space(); mcode assignOp op; |
417 | pr_space(); loop right assign | |
17ba0788 | 418 | | Ast.Sequence(left,op,right) -> |
1b9ae606 C |
419 | loop left top; mcode print_string op; |
420 | pr_space(); loop right assign | |
34e49164 | 421 | | Ast.CondExpr(exp1,why,exp2,colon,exp3) -> |
1b9ae606 C |
422 | loop exp1 log_or; pr_space(); mcode print_string why; |
423 | print_option (function e -> pr_space(); loop e top) exp2; | |
424 | pr_space(); mcode print_string colon; pr_space(); loop exp3 cond | |
425 | | Ast.Postfix(exp,op) -> loop exp postfix; mcode fixOp op | |
426 | | Ast.Infix(exp,op) -> mcode fixOp op; loop exp unary | |
427 | | Ast.Unary(exp,op) -> mcode unaryOp op; loop exp unary | |
34e49164 | 428 | | Ast.Binary(left,op,right) -> |
1b9ae606 C |
429 | loop left (left_prec_of op); pr_space(); mcode binaryOp op; pr_space(); |
430 | loop right (right_prec_of op) | |
34e49164 C |
431 | | Ast.Nested(left,op,right) -> failwith "nested only in minus code" |
432 | | Ast.Paren(lp,exp,rp) -> | |
1b9ae606 | 433 | mcode print_string_box lp; loop exp top; close_box(); |
34e49164 C |
434 | mcode print_string rp |
435 | | Ast.ArrayAccess(exp1,lb,exp2,rb) -> | |
1b9ae606 | 436 | loop exp1 postfix; mcode print_string_box lb; loop exp2 top; close_box(); |
34e49164 C |
437 | mcode print_string rb |
438 | | Ast.RecordAccess(exp,pt,field) -> | |
1b9ae606 | 439 | loop exp postfix; mcode print_string pt; ident field |
34e49164 | 440 | | Ast.RecordPtAccess(exp,ar,field) -> |
1b9ae606 | 441 | loop exp postfix; mcode print_string ar; ident field |
34e49164 C |
442 | | Ast.Cast(lp,ty,rp,exp) -> |
443 | mcode print_string_box lp; fullType ty; close_box(); | |
1b9ae606 | 444 | mcode print_string rp; loop exp cast |
34e49164 | 445 | | Ast.SizeOfExpr(sizeof,exp) -> |
1b9ae606 | 446 | mcode print_string sizeof; loop exp unary |
34e49164 C |
447 | | Ast.SizeOfType(sizeof,lp,ty,rp) -> |
448 | mcode print_string sizeof; | |
449 | mcode print_string_box lp; fullType ty; close_box(); | |
450 | mcode print_string rp | |
451 | | Ast.TypeExp(ty) -> fullType ty | |
7fe62b65 C |
452 | | Ast.Constructor(lp,ty,rp,init) -> |
453 | mcode print_string_box lp; fullType ty; close_box(); | |
454 | mcode print_string rp; initialiser true init | |
34e49164 | 455 | |
ae4735db | 456 | | Ast.MetaErr(name,_,_,_) -> |
34e49164 C |
457 | failwith "metaErr not handled" |
458 | ||
459 | | Ast.MetaExpr (name,_,_,_typedontcare,_formdontcare,_) -> | |
1b9ae606 C |
460 | handle_metavar name (function |
461 | | Ast_c.MetaExprVal ((((e, _), _) as exp),_) -> | |
462 | if prec_of_c e < prec then | |
463 | begin | |
464 | print_text "("; | |
465 | pretty_print_c.Pretty_print_c.expression exp; | |
466 | print_text ")" | |
467 | end | |
468 | else | |
469 | pretty_print_c.Pretty_print_c.expression exp | |
abad11c5 | 470 | | _ -> raise (Impossible 145) |
34e49164 C |
471 | ) |
472 | ||
ae4735db | 473 | | Ast.MetaExprList (name,_,_,_) -> |
1b9ae606 | 474 | handle_metavar name (function |
ae4735db | 475 | | Ast_c.MetaExprListVal args -> |
113803cf | 476 | pretty_print_c.Pretty_print_c.arg_list args |
90aeb998 C |
477 | | Ast_c.MetaParamListVal _ -> |
478 | failwith "have meta param list matching meta exp list\n"; | |
abad11c5 | 479 | | _ -> raise (Impossible 146) |
faf9a90c C |
480 | ) |
481 | ||
1b9ae606 | 482 | | Ast.AsExpr(expr,asexpr) -> loop expr prec |
17ba0788 | 483 | |
002099fc | 484 | | Ast.EComma(cm) -> mcode print_string cm |
34e49164 | 485 | |
faf9a90c C |
486 | | Ast.DisjExpr(exp_list) -> |
487 | if generating | |
488 | then print_disj_list expression exp_list | |
489 | else raise CantBeInPlus | |
5636bb2c C |
490 | | Ast.NestExpr(starter,expr_dots,ender,Some whencode,multi) |
491 | when generating -> | |
492 | nest_dots starter ender expression | |
708f4980 | 493 | (function _ -> print_text " when != "; expression whencode) |
faf9a90c | 494 | expr_dots |
5636bb2c C |
495 | | Ast.NestExpr(starter,expr_dots,ender,None,multi) when generating -> |
496 | nest_dots starter ender expression (function _ -> ()) expr_dots | |
497 | | Ast.NestExpr _ -> raise CantBeInPlus | |
faf9a90c C |
498 | | Ast.Edots(dots,Some whencode) |
499 | | Ast.Ecircles(dots,Some whencode) | |
500 | | Ast.Estars(dots,Some whencode) -> | |
501 | if generating | |
502 | then | |
503 | (mcode print_string dots; | |
708f4980 | 504 | print_text " when != "; |
faf9a90c C |
505 | expression whencode) |
506 | else raise CantBeInPlus | |
507 | | Ast.Edots(dots,None) | |
508 | | Ast.Ecircles(dots,None) | |
509 | | Ast.Estars(dots,None) -> | |
510 | if generating | |
511 | then mcode print_string dots | |
512 | else raise CantBeInPlus | |
34e49164 | 513 | |
ae4735db | 514 | | Ast.OptExp(exp) | Ast.UniqueExp(exp) -> |
34e49164 | 515 | raise CantBeInPlus |
1b9ae606 C |
516 | in |
517 | loop e top | |
34e49164 | 518 | |
5636bb2c C |
519 | and arg_expression e = |
520 | match Ast.unwrap e with | |
521 | Ast.EComma(cm) -> | |
522 | (* space is only used by add_newline, and only if not using SMPL | |
523 | spacing. pr_cspace uses a " " in unparse_c.ml. Not so nice... *) | |
524 | mcode (print_string_with_hint (SpaceOrNewline (ref " "))) cm | |
525 | | _ -> expression e | |
526 | ||
34e49164 C |
527 | and unaryOp = function |
528 | Ast.GetRef -> print_string "&" | |
8babbc8f | 529 | | Ast.GetRefLabel -> print_string "&&" |
34e49164 C |
530 | | Ast.DeRef -> print_string "*" |
531 | | Ast.UnPlus -> print_string "+" | |
532 | | Ast.UnMinus -> print_string "-" | |
533 | | Ast.Tilde -> print_string "~" | |
534 | | Ast.Not -> print_string "!" | |
535 | ||
536 | and assignOp = function | |
537 | Ast.SimpleAssign -> print_string "=" | |
708f4980 C |
538 | | Ast.OpAssign(aop) -> |
539 | (function line -> function lcol -> | |
540 | arithOp aop line lcol; print_string "=" line lcol) | |
34e49164 C |
541 | |
542 | and fixOp = function | |
543 | Ast.Dec -> print_string "--" | |
544 | | Ast.Inc -> print_string "++" | |
545 | ||
546 | and binaryOp = function | |
547 | Ast.Arith(aop) -> arithOp aop | |
548 | | Ast.Logical(lop) -> logicalOp lop | |
549 | ||
550 | and arithOp = function | |
993936c0 | 551 | Ast.Plus -> print_string "+" |
34e49164 C |
552 | | Ast.Minus -> print_string "-" |
553 | | Ast.Mul -> print_string "*" | |
554 | | Ast.Div -> print_string "/" | |
1b9ae606 C |
555 | | Ast.Max -> print_string ">?" |
556 | | Ast.Min -> print_string "<?" | |
34e49164 C |
557 | | Ast.Mod -> print_string "%" |
558 | | Ast.DecLeft -> print_string "<<" | |
559 | | Ast.DecRight -> print_string ">>" | |
560 | | Ast.And -> print_string "&" | |
561 | | Ast.Or -> print_string "|" | |
562 | | Ast.Xor -> print_string "^" | |
563 | ||
564 | and logicalOp = function | |
565 | Ast.Inf -> print_string "<" | |
566 | | Ast.Sup -> print_string ">" | |
567 | | Ast.InfEq -> print_string "<=" | |
568 | | Ast.SupEq -> print_string ">=" | |
569 | | Ast.Eq -> print_string "==" | |
570 | | Ast.NotEq -> print_string "!=" | |
571 | | Ast.AndLog -> print_string "&&" | |
572 | | Ast.OrLog -> print_string "||" | |
573 | ||
574 | and constant = function | |
708f4980 | 575 | Ast.String(s) -> print_string ("\""^s^"\"") |
978fd7e5 | 576 | | Ast.Char(s) -> print_string ("\'"^s^"\'") |
34e49164 C |
577 | | Ast.Int(s) -> print_string s |
578 | | Ast.Float(s) -> print_string s | |
579 | ||
580 | (* --------------------------------------------------------------------- *) | |
581 | (* Types *) | |
582 | ||
583 | ||
584 | and fullType ft = | |
585 | match Ast.unwrap ft with | |
755320b0 C |
586 | Ast.Type(_,cv,ty) -> |
587 | (match Ast.unwrap ty with | |
588 | Ast.Pointer(_,_) -> | |
589 | typeC ty; print_option_prespace (mcode const_vol) cv | |
590 | | _ -> print_option_space (mcode const_vol) cv; typeC ty) | |
591 | ||
17ba0788 | 592 | | Ast.AsType(ty, asty) -> fullType ty |
34e49164 C |
593 | | Ast.DisjType _ -> failwith "can't be in plus" |
594 | | Ast.OptType(_) | Ast.UniqueType(_) -> | |
595 | raise CantBeInPlus | |
596 | ||
597 | and print_function_pointer (ty,lp1,star,rp1,lp2,params,rp2) fn = | |
598 | fullType ty; mcode print_string lp1; mcode print_string star; fn(); | |
599 | mcode print_string rp1; mcode print_string lp1; | |
600 | parameter_list params; mcode print_string rp2 | |
601 | ||
602 | and print_function_type (ty,lp1,params,rp1) fn = | |
603 | print_option fullType ty; fn(); mcode print_string lp1; | |
604 | parameter_list params; mcode print_string rp1 | |
605 | ||
606 | and typeC ty = | |
607 | match Ast.unwrap ty with | |
faf9a90c C |
608 | Ast.BaseType(ty,strings) -> |
609 | print_between pr_space (mcode print_string) strings | |
002099fc | 610 | | Ast.SignedT(sgn,ty) -> mcode sign sgn; print_option_prespace typeC ty |
993936c0 C |
611 | | Ast.Pointer(ty,star) -> |
612 | fullType ty; ft_space ty; mcode print_string star; eatspace() | |
34e49164 C |
613 | | Ast.FunctionPointer(ty,lp1,star,rp1,lp2,params,rp2) -> |
614 | print_function_pointer (ty,lp1,star,rp1,lp2,params,rp2) | |
615 | (function _ -> ()) | |
616 | | Ast.FunctionType (am,ty,lp1,params,rp1) -> | |
617 | print_function_type (ty,lp1,params,rp1) (function _ -> ()) | |
618 | | Ast.Array(ty,lb,size,rb) -> | |
619 | fullType ty; mcode print_string lb; print_option expression size; | |
620 | mcode print_string rb | |
c491d8ee C |
621 | | Ast.EnumName(kind,name) -> |
622 | mcode print_string kind; | |
623 | print_option_prespace ident name | |
624 | | Ast.EnumDef(ty,lb,ids,rb) -> | |
625 | fullType ty; ft_space ty; | |
626 | mcode print_string lb; | |
627 | dots force_newline expression ids; | |
628 | mcode print_string rb | |
34e49164 | 629 | | Ast.StructUnionName(kind,name) -> |
002099fc | 630 | mcode structUnion kind; print_option_prespace ident name |
34e49164 | 631 | | Ast.StructUnionDef(ty,lb,decls,rb) -> |
708f4980 | 632 | fullType ty; ft_space ty; |
34e49164 C |
633 | mcode print_string lb; |
634 | dots force_newline declaration decls; | |
635 | mcode print_string rb | |
636 | | Ast.TypeName(name)-> mcode print_string name | |
ae4735db | 637 | | Ast.MetaType(name,_,_) -> |
34e49164 | 638 | handle_metavar name (function |
ae4735db | 639 | Ast_c.MetaTypeVal exp -> |
113803cf | 640 | pretty_print_c.Pretty_print_c.ty exp |
abad11c5 | 641 | | _ -> raise (Impossible 147)) |
34e49164 C |
642 | |
643 | and baseType = function | |
644 | Ast.VoidType -> print_string "void" | |
645 | | Ast.CharType -> print_string "char" | |
646 | | Ast.ShortType -> print_string "short" | |
f3c4ece6 | 647 | | Ast.ShortIntType -> print_string "short int" |
34e49164 C |
648 | | Ast.IntType -> print_string "int" |
649 | | Ast.DoubleType -> print_string "double" | |
f3c4ece6 | 650 | | Ast.LongDoubleType -> print_string "long double" |
34e49164 C |
651 | | Ast.FloatType -> print_string "float" |
652 | | Ast.LongType -> print_string "long" | |
f3c4ece6 | 653 | | Ast.LongIntType -> print_string "long int" |
faf9a90c | 654 | | Ast.LongLongType -> print_string "long long" |
f3c4ece6 | 655 | | Ast.LongLongIntType -> print_string "long long int" |
1eddfd50 C |
656 | | Ast.SizeType -> print_string "size_t " |
657 | | Ast.SSizeType -> print_string "ssize_t " | |
658 | | Ast.PtrDiffType -> print_string "ptrdiff_t " | |
34e49164 C |
659 | |
660 | and structUnion = function | |
002099fc C |
661 | Ast.Struct -> print_string "struct" |
662 | | Ast.Union -> print_string "union" | |
34e49164 C |
663 | |
664 | and sign = function | |
34e49164 C |
665 | Ast.Signed -> print_string "signed" |
666 | | Ast.Unsigned -> print_string "unsigned" | |
667 | ||
668 | ||
669 | and const_vol = function | |
002099fc C |
670 | Ast.Const -> print_string "const" |
671 | | Ast.Volatile -> print_string "volatile" | |
34e49164 C |
672 | |
673 | (* --------------------------------------------------------------------- *) | |
674 | (* Function declaration *) | |
675 | ||
676 | and storage = function | |
002099fc C |
677 | Ast.Static -> print_string "static" |
678 | | Ast.Auto -> print_string "auto" | |
679 | | Ast.Register -> print_string "register" | |
680 | | Ast.Extern -> print_string "extern" | |
34e49164 C |
681 | |
682 | (* --------------------------------------------------------------------- *) | |
683 | (* Variable declaration *) | |
684 | ||
685 | and print_named_type ty id = | |
686 | match Ast.unwrap ty with | |
17ba0788 | 687 | Ast.Type(_,None,ty1) -> |
34e49164 C |
688 | (match Ast.unwrap ty1 with |
689 | Ast.FunctionPointer(ty,lp1,star,rp1,lp2,params,rp2) -> | |
690 | print_function_pointer (ty,lp1,star,rp1,lp2,params,rp2) | |
708f4980 | 691 | (function _ -> pr_space(); ident id) |
34e49164 C |
692 | | Ast.FunctionType(am,ty,lp1,params,rp1) -> |
693 | print_function_type (ty,lp1,params,rp1) | |
708f4980 | 694 | (function _ -> pr_space(); ident id) |
34e49164 C |
695 | | Ast.Array(_,_,_,_) -> |
696 | let rec loop ty k = | |
697 | match Ast.unwrap ty with | |
698 | Ast.Array(ty,lb,size,rb) -> | |
699 | (match Ast.unwrap ty with | |
17ba0788 C |
700 | Ast.Type(_,cv,ty) -> |
701 | print_option_space (mcode const_vol) cv; | |
34e49164 C |
702 | loop ty |
703 | (function _ -> | |
704 | k (); | |
705 | mcode print_string lb; | |
706 | print_option expression size; | |
707 | mcode print_string rb) | |
708 | | _ -> failwith "complex array types not supported") | |
709 | | _ -> typeC ty; ty_space ty; ident id; k () in | |
710 | loop ty1 (function _ -> ()) | |
711 | (*| should have a case here for pointer to array or function type | |
712 | that would put ( * ) around the variable. This makes one wonder | |
713 | why we really need a special case for function pointer *) | |
714 | | _ -> fullType ty; ft_space ty; ident id) | |
715 | | _ -> fullType ty; ft_space ty; ident id | |
716 | ||
717 | and ty_space ty = | |
718 | match Ast.unwrap ty with | |
719 | Ast.Pointer(_,_) -> () | |
708f4980 | 720 | | _ -> pr_space() |
34e49164 C |
721 | |
722 | and ft_space ty = | |
723 | match Ast.unwrap ty with | |
17ba0788 | 724 | Ast.Type(_,cv,ty) -> |
abad11c5 C |
725 | let isptr = |
726 | match Ast.unwrap ty with | |
727 | Ast.Pointer(_,_) -> true | |
728 | | Ast.MetaType(name,_,_) -> | |
729 | let (res,name_string,line,lcol,rcol) = lookup_metavar name in | |
730 | (match res with | |
731 | None -> | |
732 | failwith | |
733 | (Printf.sprintf "variable %s not known on SP line %d\n" | |
734 | name_string line) | |
735 | | Some (Ast_c.MetaTypeVal (tq,ty)) -> | |
736 | (match Ast_c.unwrap ty with | |
737 | Ast_c.Pointer(_,_) -> true | |
738 | | _ -> false) | |
739 | | _ -> false) | |
740 | | _ -> false in | |
741 | if isptr then () else pr_space() | |
708f4980 | 742 | | _ -> pr_space() |
abad11c5 | 743 | |
34e49164 C |
744 | and declaration d = |
745 | match Ast.unwrap d with | |
413ffc02 C |
746 | Ast.MetaDecl(name,_,_) -> |
747 | handle_metavar name | |
748 | (function | |
749 | Ast_c.MetaDeclVal d -> | |
750 | pretty_print_c.Pretty_print_c.decl d | |
abad11c5 | 751 | | _ -> raise (Impossible 148)) |
413ffc02 C |
752 | | Ast.MetaField(name,_,_) -> |
753 | handle_metavar name | |
754 | (function | |
190f1acf C |
755 | Ast_c.MetaFieldVal f -> |
756 | pretty_print_c.Pretty_print_c.field f | |
abad11c5 | 757 | | _ -> raise (Impossible 149)) |
190f1acf C |
758 | |
759 | | Ast.MetaFieldList(name,_,_,_) -> | |
760 | handle_metavar name | |
761 | (function | |
762 | Ast_c.MetaFieldListVal f -> | |
763 | print_between force_newline pretty_print_c.Pretty_print_c.field f | |
abad11c5 | 764 | | _ -> raise (Impossible 150)) |
190f1acf | 765 | |
17ba0788 C |
766 | | Ast.AsDecl(decl,asdecl) -> declaration decl |
767 | ||
413ffc02 | 768 | | Ast.Init(stg,ty,id,eq,ini,sem) -> |
34e49164 | 769 | print_option (mcode storage) stg; |
002099fc | 770 | print_option (function _ -> pr_space()) stg; |
34e49164 | 771 | print_named_type ty id; |
708f4980 C |
772 | pr_space(); mcode print_string eq; |
773 | pr_space(); initialiser true ini; mcode print_string sem | |
34e49164 C |
774 | | Ast.UnInit(stg,ty,id,sem) -> |
775 | print_option (mcode storage) stg; | |
002099fc | 776 | print_option (function _ -> pr_space()) stg; |
34e49164 C |
777 | print_named_type ty id; |
778 | mcode print_string sem | |
779 | | Ast.MacroDecl(name,lp,args,rp,sem) -> | |
780 | ident name; mcode print_string_box lp; | |
abad11c5 | 781 | dots (function _ -> ()) arg_expression args; |
34e49164 | 782 | close_box(); mcode print_string rp; mcode print_string sem |
17ba0788 C |
783 | | Ast.MacroDeclInit(name,lp,args,rp,eq,ini,sem) -> |
784 | ident name; mcode print_string_box lp; | |
abad11c5 | 785 | dots (function _ -> ()) arg_expression args; |
17ba0788 C |
786 | close_box(); mcode print_string rp; |
787 | pr_space(); mcode print_string eq; | |
788 | pr_space(); initialiser true ini; mcode print_string sem | |
34e49164 C |
789 | | Ast.TyDecl(ty,sem) -> fullType ty; mcode print_string sem |
790 | | Ast.Typedef(stg,ty,id,sem) -> | |
791 | mcode print_string stg; | |
792 | fullType ty; typeC id; | |
793 | mcode print_string sem | |
413ffc02 | 794 | | Ast.DisjDecl(_) -> raise CantBeInPlus |
34e49164 | 795 | | Ast.Ddots(_,_) -> raise CantBeInPlus |
ae4735db | 796 | | Ast.OptDecl(decl) | Ast.UniqueDecl(decl) -> |
34e49164 C |
797 | raise CantBeInPlus |
798 | ||
799 | (* --------------------------------------------------------------------- *) | |
800 | (* Initialiser *) | |
801 | ||
802 | and initialiser nlcomma i = | |
803 | match Ast.unwrap i with | |
ae4735db | 804 | Ast.MetaInit(name,_,_) -> |
113803cf C |
805 | handle_metavar name (function |
806 | Ast_c.MetaInitVal ini -> | |
807 | pretty_print_c.Pretty_print_c.init ini | |
abad11c5 | 808 | | _ -> raise (Impossible 151)) |
8f657093 C |
809 | | Ast.MetaInitList(name,_,_,_) -> |
810 | handle_metavar name (function | |
811 | Ast_c.MetaInitListVal ini -> | |
812 | pretty_print_c.Pretty_print_c.init_list ini | |
abad11c5 | 813 | | _ -> raise (Impossible 152)) |
17ba0788 | 814 | | Ast.AsInit(init,asinit) -> initialiser nlcomma init |
113803cf | 815 | | Ast.InitExpr(exp) -> expression exp |
c491d8ee | 816 | | Ast.ArInitList(lb,initlist,rb) -> |
1eddfd50 C |
817 | (match Ast.undots initlist with |
818 | [] -> mcode print_string lb; mcode print_string rb | |
8f657093 | 819 | | lst -> |
1eddfd50 | 820 | mcode print_string lb; start_block(); |
8f657093 | 821 | initialiser_list nlcomma lst; |
1eddfd50 C |
822 | end_block(); mcode print_string rb) |
823 | | Ast.StrInitList(_,lb,[],rb,[]) -> | |
824 | mcode print_string lb; mcode print_string rb | |
c491d8ee | 825 | | Ast.StrInitList(_,lb,initlist,rb,[]) -> |
34e49164 | 826 | mcode print_string lb; start_block(); |
8f657093 | 827 | initialiser_list nlcomma initlist; |
34e49164 | 828 | end_block(); mcode print_string rb |
c491d8ee C |
829 | | Ast.StrInitList(_,lb,initlist,rb,_) -> |
830 | failwith "unexpected whencode in plus" | |
113803cf | 831 | | Ast.InitGccExt(designators,eq,ini) -> |
708f4980 C |
832 | List.iter designator designators; pr_space(); |
833 | mcode print_string eq; pr_space(); initialiser nlcomma ini | |
34e49164 C |
834 | | Ast.InitGccName(name,eq,ini) -> |
835 | ident name; mcode print_string eq; initialiser nlcomma ini | |
34e49164 C |
836 | | Ast.IComma(comma) -> |
837 | mcode print_string comma; | |
8f657093 | 838 | if nlcomma then force_newline() else pr_space() |
c491d8ee C |
839 | | Ast.Idots(dots,Some whencode) -> |
840 | if generating | |
841 | then | |
842 | (mcode print_string dots; | |
843 | print_text " when != "; | |
844 | initialiser nlcomma whencode) | |
845 | else raise CantBeInPlus | |
846 | | Ast.Idots(dots,None) -> | |
847 | if generating | |
848 | then mcode print_string dots | |
849 | else raise CantBeInPlus | |
34e49164 C |
850 | | Ast.OptIni(ini) | Ast.UniqueIni(ini) -> |
851 | raise CantBeInPlus | |
852 | ||
8f657093 C |
853 | and initialiser_list nlcomma = function |
854 | (* awkward, because the comma is separate from the initialiser *) | |
855 | [] -> () | |
856 | | [x] -> initialiser false x | |
857 | | x::xs -> initialiser nlcomma x; initialiser_list nlcomma xs | |
858 | ||
113803cf C |
859 | and designator = function |
860 | Ast.DesignatorField(dot,id) -> mcode print_string dot; ident id | |
861 | | Ast.DesignatorIndex(lb,exp,rb) -> | |
862 | mcode print_string lb; expression exp; mcode print_string rb | |
863 | | Ast.DesignatorRange(lb,min,dots,max,rb) -> | |
864 | mcode print_string lb; expression min; mcode print_string dots; | |
865 | expression max; mcode print_string rb | |
866 | ||
34e49164 C |
867 | (* --------------------------------------------------------------------- *) |
868 | (* Parameter *) | |
869 | ||
870 | and parameterTypeDef p = | |
871 | match Ast.unwrap p with | |
872 | Ast.VoidParam(ty) -> fullType ty | |
873 | | Ast.Param(ty,Some id) -> print_named_type ty id | |
874 | | Ast.Param(ty,None) -> fullType ty | |
875 | ||
ae4735db | 876 | | Ast.MetaParam(name,_,_) -> |
5636bb2c C |
877 | handle_metavar name |
878 | (function | |
879 | Ast_c.MetaParamVal p -> | |
880 | pretty_print_c.Pretty_print_c.param p | |
abad11c5 | 881 | | _ -> raise (Impossible 153)) |
ae4735db | 882 | | Ast.MetaParamList(name,_,_,_) -> |
190f1acf C |
883 | handle_metavar name |
884 | (function | |
885 | Ast_c.MetaParamListVal p -> | |
886 | pretty_print_c.Pretty_print_c.paramlist p | |
abad11c5 | 887 | | _ -> raise (Impossible 154)) |
34e49164 | 888 | |
1b9ae606 C |
889 | | Ast.AsParam(p,e) -> raise CantBeInPlus |
890 | ||
002099fc | 891 | | Ast.PComma(cm) -> mcode print_string cm |
faf9a90c C |
892 | | Ast.Pdots(dots) | Ast.Pcircles(dots) when generating -> |
893 | mcode print_string dots | |
894 | | Ast.Pdots(dots) | Ast.Pcircles(dots) -> raise CantBeInPlus | |
34e49164 C |
895 | | Ast.OptParam(param) | Ast.UniqueParam(param) -> raise CantBeInPlus |
896 | ||
fc1ad971 C |
897 | and parameter_list l = |
898 | let comma p = | |
899 | parameterTypeDef p; | |
900 | match Ast.unwrap p with | |
901 | Ast.PComma(cm) -> pr_space() | |
902 | | _ -> () in | |
903 | dots (function _ -> ()) comma l | |
34e49164 C |
904 | in |
905 | ||
906 | ||
907 | (* --------------------------------------------------------------------- *) | |
908 | (* CPP code *) | |
909 | ||
910 | let rec inc_file = function | |
911 | Ast.Local(elems) -> | |
708f4980 | 912 | print_string ("\""^(String.concat "/" (List.map inc_elem elems))^"\"") |
34e49164 | 913 | | Ast.NonLocal(elems) -> |
708f4980 | 914 | print_string ("<"^(String.concat "/" (List.map inc_elem elems))^">") |
34e49164 C |
915 | |
916 | and inc_elem = function | |
708f4980 C |
917 | Ast.IncPath s -> s |
918 | | Ast.IncDots -> "..." | |
34e49164 C |
919 | |
920 | (* --------------------------------------------------------------------- *) | |
921 | (* Top-level code *) | |
922 | ||
923 | and rule_elem arity re = | |
924 | match Ast.unwrap re with | |
925 | Ast.FunHeader(_,_,fninfo,name,lp,params,rp) -> | |
708f4980 | 926 | pr_arity arity; List.iter print_fninfo fninfo; |
34e49164 C |
927 | ident name; mcode print_string_box lp; |
928 | parameter_list params; close_box(); mcode print_string rp; | |
708f4980 C |
929 | pr_space() |
930 | | Ast.Decl(_,_,decl) -> pr_arity arity; declaration decl | |
34e49164 C |
931 | |
932 | | Ast.SeqStart(brace) -> | |
708f4980 | 933 | pr_arity arity; mcode print_string brace; start_block() |
34e49164 | 934 | | Ast.SeqEnd(brace) -> |
708f4980 | 935 | end_block(); pr_arity arity; mcode print_string brace |
34e49164 C |
936 | |
937 | | Ast.ExprStatement(exp,sem) -> | |
8babbc8f | 938 | pr_arity arity; print_option expression exp; mcode print_string sem |
34e49164 C |
939 | |
940 | | Ast.IfHeader(iff,lp,exp,rp) -> | |
708f4980 C |
941 | pr_arity arity; |
942 | mcode print_string iff; pr_space(); mcode print_string_box lp; | |
113803cf | 943 | expression exp; close_box(); mcode print_string rp |
34e49164 | 944 | | Ast.Else(els) -> |
708f4980 | 945 | pr_arity arity; mcode print_string els |
34e49164 C |
946 | |
947 | | Ast.WhileHeader(whl,lp,exp,rp) -> | |
708f4980 C |
948 | pr_arity arity; |
949 | mcode print_string whl; pr_space(); mcode print_string_box lp; | |
113803cf | 950 | expression exp; close_box(); mcode print_string rp |
34e49164 | 951 | | Ast.DoHeader(d) -> |
708f4980 | 952 | pr_arity arity; mcode print_string d |
34e49164 | 953 | | Ast.WhileTail(whl,lp,exp,rp,sem) -> |
708f4980 C |
954 | pr_arity arity; |
955 | mcode print_string whl; pr_space(); mcode print_string_box lp; | |
34e49164 C |
956 | expression exp; close_box(); mcode print_string rp; |
957 | mcode print_string sem | |
755320b0 | 958 | | Ast.ForHeader(fr,lp,first,e2,sem2,e3,rp) -> |
708f4980 | 959 | pr_arity arity; |
755320b0 | 960 | mcode print_string fr; mcode print_string_box lp; forinfo first; |
34e49164 C |
961 | print_option expression e2; mcode print_string sem2; |
962 | print_option expression e3; close_box(); | |
113803cf | 963 | mcode print_string rp |
34e49164 | 964 | | Ast.IteratorHeader(nm,lp,args,rp) -> |
708f4980 C |
965 | pr_arity arity; |
966 | ident nm; pr_space(); mcode print_string_box lp; | |
abad11c5 | 967 | dots (function _ -> ()) arg_expression args; close_box(); |
113803cf | 968 | mcode print_string rp |
34e49164 C |
969 | |
970 | | Ast.SwitchHeader(switch,lp,exp,rp) -> | |
708f4980 C |
971 | pr_arity arity; |
972 | mcode print_string switch; pr_space(); mcode print_string_box lp; | |
113803cf | 973 | expression exp; close_box(); mcode print_string rp |
34e49164 C |
974 | |
975 | | Ast.Break(br,sem) -> | |
708f4980 | 976 | pr_arity arity; mcode print_string br; mcode print_string sem |
34e49164 | 977 | | Ast.Continue(cont,sem) -> |
708f4980 | 978 | pr_arity arity; mcode print_string cont; mcode print_string sem |
34e49164 C |
979 | | Ast.Label(l,dd) -> ident l; mcode print_string dd |
980 | | Ast.Goto(goto,l,sem) -> | |
981 | mcode print_string goto; ident l; mcode print_string sem | |
982 | | Ast.Return(ret,sem) -> | |
ae4735db | 983 | pr_arity arity; mcode print_string ret; |
34e49164 C |
984 | mcode print_string sem |
985 | | Ast.ReturnExpr(ret,exp,sem) -> | |
708f4980 | 986 | pr_arity arity; mcode print_string ret; pr_space(); |
34e49164 C |
987 | expression exp; mcode print_string sem |
988 | ||
708f4980 C |
989 | | Ast.Exp(exp) -> pr_arity arity; expression exp |
990 | | Ast.TopExp(exp) -> pr_arity arity; expression exp | |
991 | | Ast.Ty(ty) -> pr_arity arity; fullType ty | |
1be43e12 | 992 | | Ast.TopInit(init) -> initialiser false init |
34e49164 | 993 | | Ast.Include(inc,s) -> |
708f4980 | 994 | mcode print_string inc; print_text " "; mcode inc_file s |
3a314143 C |
995 | | Ast.Undef(def,id) -> |
996 | mcode print_string def; pr_space(); ident id | |
34e49164 | 997 | | Ast.DefineHeader(def,id,params) -> |
ae4735db | 998 | mcode print_string def; pr_space(); ident id; |
34e49164 C |
999 | print_define_parameters params |
1000 | | Ast.Default(def,colon) -> | |
708f4980 | 1001 | mcode print_string def; mcode print_string colon; pr_space() |
34e49164 | 1002 | | Ast.Case(case,exp,colon) -> |
708f4980 C |
1003 | mcode print_string case; pr_space(); expression exp; |
1004 | mcode print_string colon; pr_space() | |
faf9a90c C |
1005 | | Ast.DisjRuleElem(res) -> |
1006 | if generating | |
1007 | then | |
708f4980 C |
1008 | (pr_arity arity; print_text "\n(\n"; |
1009 | print_between (function _ -> print_text "\n|\n") (rule_elem arity) | |
faf9a90c | 1010 | res; |
708f4980 | 1011 | print_text "\n)") |
faf9a90c | 1012 | else raise CantBeInPlus |
34e49164 C |
1013 | |
1014 | | Ast.MetaRuleElem(name,_,_) -> | |
abad11c5 | 1015 | raise (Impossible 155) |
34e49164 C |
1016 | |
1017 | | Ast.MetaStmt(name,_,_,_) -> | |
1018 | handle_metavar name (function | |
113803cf C |
1019 | | Ast_c.MetaStmtVal stm -> |
1020 | pretty_print_c.Pretty_print_c.statement stm | |
abad11c5 | 1021 | | _ -> raise (Impossible 156) |
34e49164 C |
1022 | ) |
1023 | | Ast.MetaStmtList(name,_,_) -> | |
1024 | failwith | |
1025 | "MetaStmtList not supported (not even in ast_c metavars binding)" | |
1026 | ||
755320b0 C |
1027 | and forinfo = function |
1028 | Ast.ForExp(e1,sem1) -> | |
1029 | print_option expression e1; mcode print_string sem1 | |
1030 | | Ast.ForDecl (_,_,decl) -> declaration decl | |
1031 | ||
34e49164 C |
1032 | and print_define_parameters params = |
1033 | match Ast.unwrap params with | |
1034 | Ast.NoParams -> () | |
1035 | | Ast.DParams(lp,params,rp) -> | |
1036 | mcode print_string lp; | |
1037 | dots (function _ -> ()) print_define_param params; mcode print_string rp | |
1038 | ||
1039 | and print_define_param param = | |
1040 | match Ast.unwrap param with | |
1041 | Ast.DParam(id) -> ident id | |
1042 | | Ast.DPComma(comma) -> mcode print_string comma | |
1043 | | Ast.DPdots(dots) -> mcode print_string dots | |
1044 | | Ast.DPcircles(circles) -> mcode print_string circles | |
708f4980 C |
1045 | | Ast.OptDParam(dp) -> print_text "?"; print_define_param dp |
1046 | | Ast.UniqueDParam(dp) -> print_text "!"; print_define_param dp | |
34e49164 C |
1047 | |
1048 | and print_fninfo = function | |
1049 | Ast.FStorage(stg) -> mcode storage stg | |
1050 | | Ast.FType(ty) -> fullType ty | |
708f4980 C |
1051 | | Ast.FInline(inline) -> mcode print_string inline; pr_space() |
1052 | | Ast.FAttr(attr) -> mcode print_string attr; pr_space() in | |
34e49164 | 1053 | |
faf9a90c | 1054 | let indent_if_needed s f = |
abad11c5 C |
1055 | let isseq = |
1056 | match Ast.unwrap s with | |
1057 | Ast.Seq(lbrace,body,rbrace) -> true | |
1058 | | Ast.Atomic s -> | |
1059 | (match Ast.unwrap s with | |
1060 | | Ast.MetaStmt(name,_,_,_) -> | |
1061 | let (res,name_string,line,lcol,rcol) = lookup_metavar name in | |
1062 | (match res with | |
1063 | None -> | |
1064 | failwith | |
1065 | (Printf.sprintf "variable %s not known on SP line %d\n" | |
1066 | name_string line) | |
1067 | | Some (Ast_c.MetaStmtVal stm) -> | |
1068 | (match Ast_c.unwrap stm with | |
1069 | Ast_c.Compound _ -> true | |
1070 | | _ -> false) | |
1071 | | _ -> failwith "bad metavariable value") | |
1072 | | _ -> false) | |
1073 | | _ -> false in | |
1074 | if isseq | |
1075 | then begin pr_space(); f() end | |
1076 | else | |
1077 | begin | |
faf9a90c | 1078 | (*no newline at the end - someone else will do that*) |
abad11c5 C |
1079 | start_block(); f(); unindent true |
1080 | end in | |
faf9a90c | 1081 | |
34e49164 C |
1082 | let rec statement arity s = |
1083 | match Ast.unwrap s with | |
708f4980 | 1084 | Ast.Seq(lbrace,body,rbrace) -> |
34e49164 | 1085 | rule_elem arity lbrace; |
34e49164 C |
1086 | dots force_newline (statement arity) body; |
1087 | rule_elem arity rbrace | |
1088 | ||
1089 | | Ast.IfThen(header,branch,_) -> | |
faf9a90c C |
1090 | rule_elem arity header; |
1091 | indent_if_needed branch (function _ -> statement arity branch) | |
34e49164 | 1092 | | Ast.IfThenElse(header,branch1,els,branch2,_) -> |
faf9a90c C |
1093 | rule_elem arity header; |
1094 | indent_if_needed branch1 (function _ -> statement arity branch1); | |
708f4980 | 1095 | force_newline(); |
faf9a90c C |
1096 | rule_elem arity els; |
1097 | indent_if_needed branch2 (function _ -> statement arity branch2) | |
34e49164 | 1098 | | Ast.While(header,body,_) -> |
faf9a90c C |
1099 | rule_elem arity header; |
1100 | indent_if_needed body (function _ -> statement arity body) | |
34e49164 | 1101 | | Ast.Do(header,body,tail) -> |
faf9a90c C |
1102 | rule_elem arity header; |
1103 | indent_if_needed body (function _ -> statement arity body); | |
34e49164 C |
1104 | rule_elem arity tail |
1105 | | Ast.For(header,body,_) -> | |
faf9a90c C |
1106 | rule_elem arity header; |
1107 | indent_if_needed body (function _ -> statement arity body) | |
34e49164 | 1108 | | Ast.Iterator(header,body,(_,_,_,aft)) -> |
faf9a90c C |
1109 | rule_elem arity header; |
1110 | indent_if_needed body (function _ -> statement arity body); | |
8f657093 | 1111 | mcode (fun _ _ _ -> ()) ((),Ast.no_info,aft,[]) |
34e49164 | 1112 | |
fc1ad971 | 1113 | | Ast.Switch(header,lb,decls,cases,rb) -> |
708f4980 | 1114 | rule_elem arity header; pr_space(); rule_elem arity lb; |
fc1ad971 | 1115 | dots force_newline (statement arity) decls; |
34e49164 C |
1116 | List.iter (function x -> case_line arity x; force_newline()) cases; |
1117 | rule_elem arity rb | |
1118 | ||
1119 | | Ast.Atomic(re) -> rule_elem arity re | |
1120 | ||
708f4980 | 1121 | | Ast.FunDecl(header,lbrace,body,rbrace) -> |
34e49164 | 1122 | rule_elem arity header; rule_elem arity lbrace; |
34e49164 C |
1123 | dots force_newline (statement arity) body; rule_elem arity rbrace |
1124 | ||
1125 | | Ast.Define(header,body) -> | |
708f4980 | 1126 | rule_elem arity header; pr_space(); |
34e49164 C |
1127 | dots force_newline (statement arity) body |
1128 | ||
17ba0788 C |
1129 | | Ast.AsStmt(stmt,asstmt) -> statement arity stmt |
1130 | ||
faf9a90c C |
1131 | | Ast.Disj([stmt_dots]) -> |
1132 | if generating | |
1133 | then | |
708f4980 | 1134 | (pr_arity arity; |
faf9a90c C |
1135 | dots force_newline (statement arity) stmt_dots) |
1136 | else raise CantBeInPlus | |
1137 | | Ast.Disj(stmt_dots_list) -> (* ignores newline directive for readability *) | |
1138 | if generating | |
1139 | then | |
708f4980 C |
1140 | (pr_arity arity; print_text "\n(\n"; |
1141 | print_between (function _ -> print_text "\n|\n") | |
faf9a90c C |
1142 | (dots force_newline (statement arity)) |
1143 | stmt_dots_list; | |
708f4980 | 1144 | print_text "\n)") |
faf9a90c | 1145 | else raise CantBeInPlus |
5636bb2c | 1146 | | Ast.Nest(starter,stmt_dots,ender,whn,multi,_,_) when generating -> |
708f4980 | 1147 | pr_arity arity; |
5636bb2c | 1148 | nest_dots starter ender (statement arity) |
faf9a90c C |
1149 | (function _ -> |
1150 | print_between force_newline | |
1151 | (whencode (dots force_newline (statement "")) (statement "")) whn; | |
1152 | force_newline()) | |
1153 | stmt_dots | |
1154 | | Ast.Nest(_) -> raise CantBeInPlus | |
1155 | | Ast.Dots(d,whn,_,_) | Ast.Circles(d,whn,_,_) | Ast.Stars(d,whn,_,_) -> | |
1156 | if generating | |
1157 | then | |
708f4980 | 1158 | (pr_arity arity; mcode print_string d; |
faf9a90c C |
1159 | print_between force_newline |
1160 | (whencode (dots force_newline (statement "")) (statement "")) whn; | |
1161 | force_newline()) | |
1162 | else raise CantBeInPlus | |
34e49164 | 1163 | |
ae4735db | 1164 | | Ast.OptStm(s) | Ast.UniqueStm(s) -> |
34e49164 C |
1165 | raise CantBeInPlus |
1166 | ||
faf9a90c C |
1167 | and whencode notfn alwaysfn = function |
1168 | Ast.WhenNot a -> | |
708f4980 | 1169 | print_text " WHEN != "; notfn a |
faf9a90c | 1170 | | Ast.WhenAlways a -> |
708f4980 C |
1171 | print_text " WHEN = "; alwaysfn a |
1172 | | Ast.WhenModifier x -> print_text " WHEN "; print_when_modif x | |
faf9a90c | 1173 | | Ast.WhenNotTrue a -> |
708f4980 | 1174 | print_text " WHEN != TRUE "; rule_elem "" a |
faf9a90c | 1175 | | Ast.WhenNotFalse a -> |
708f4980 | 1176 | print_text " WHEN != FALSE "; rule_elem "" a |
faf9a90c C |
1177 | |
1178 | and print_when_modif = function | |
708f4980 C |
1179 | | Ast.WhenAny -> print_text "ANY" |
1180 | | Ast.WhenStrict -> print_text "STRICT" | |
1181 | | Ast.WhenForall -> print_text "FORALL" | |
1182 | | Ast.WhenExists -> print_text "EXISTS" | |
faf9a90c | 1183 | |
34e49164 C |
1184 | and case_line arity c = |
1185 | match Ast.unwrap c with | |
1186 | Ast.CaseLine(header,code) -> | |
708f4980 | 1187 | rule_elem arity header; pr_space(); |
34e49164 C |
1188 | dots force_newline (statement arity) code |
1189 | | Ast.OptCase(case) -> raise CantBeInPlus in | |
1190 | ||
1191 | let top_level t = | |
1192 | match Ast.unwrap t with | |
1193 | Ast.FILEINFO(old_file,new_file) -> raise CantBeInPlus | |
65038c61 | 1194 | | Ast.NONDECL(stmt) -> statement "" stmt |
34e49164 C |
1195 | | Ast.CODE(stmt_dots) -> dots force_newline (statement "") stmt_dots |
1196 | | Ast.ERRORWORDS(exps) -> raise CantBeInPlus | |
1197 | in | |
1198 | ||
ae4735db | 1199 | (* |
34e49164 C |
1200 | let rule = |
1201 | print_between (function _ -> force_newline(); force_newline()) top_level | |
1202 | in | |
1203 | *) | |
1204 | ||
1205 | let if_open_brace = function "{" -> true | _ -> false in | |
1206 | ||
0708f913 | 1207 | (* boolean result indicates whether an indent is needed *) |
34e49164 C |
1208 | let rec pp_any = function |
1209 | (* assert: normally there is only CONTEXT NOTHING tokens in any *) | |
1210 | Ast.FullTypeTag(x) -> fullType x; false | |
708f4980 C |
1211 | | Ast.BaseTypeTag(x) -> baseType x unknown unknown; false |
1212 | | Ast.StructUnionTag(x) -> structUnion x unknown unknown; false | |
1213 | | Ast.SignTag(x) -> sign x unknown unknown; false | |
34e49164 C |
1214 | |
1215 | | Ast.IdentTag(x) -> ident x; false | |
1216 | ||
1217 | | Ast.ExpressionTag(x) -> expression x; false | |
1218 | ||
708f4980 C |
1219 | | Ast.ConstantTag(x) -> constant x unknown unknown; false |
1220 | | Ast.UnaryOpTag(x) -> unaryOp x unknown unknown; false | |
1221 | | Ast.AssignOpTag(x) -> assignOp x unknown unknown; false | |
1222 | | Ast.FixOpTag(x) -> fixOp x unknown unknown; false | |
1223 | | Ast.BinaryOpTag(x) -> binaryOp x unknown unknown; false | |
1224 | | Ast.ArithOpTag(x) -> arithOp x unknown unknown; false | |
1225 | | Ast.LogicalOpTag(x) -> logicalOp x unknown unknown; false | |
34e49164 C |
1226 | |
1227 | | Ast.InitTag(x) -> initialiser false x; false | |
1228 | | Ast.DeclarationTag(x) -> declaration x; false | |
1229 | ||
708f4980 C |
1230 | | Ast.StorageTag(x) -> storage x unknown unknown; false |
1231 | | Ast.IncFileTag(x) -> inc_file x unknown unknown; false | |
34e49164 C |
1232 | |
1233 | | Ast.Rule_elemTag(x) -> rule_elem "" x; false | |
1234 | | Ast.StatementTag(x) -> statement "" x; false | |
755320b0 | 1235 | | Ast.ForInfoTag(x) -> forinfo x; false |
34e49164 C |
1236 | | Ast.CaseLineTag(x) -> case_line "" x; false |
1237 | ||
708f4980 | 1238 | | Ast.ConstVolTag(x) -> const_vol x unknown unknown; false |
c3e37e97 | 1239 | | Ast.Pragma(xs) -> |
190f1acf C |
1240 | (match xs with (Ast.Space s)::_ -> pr_space() | _ -> ()); |
1241 | let rec loop = function | |
1242 | [] -> () | |
8f657093 C |
1243 | | [Ast.Noindent s] -> unindent false; print_text s |
1244 | | [Ast.Indent s] -> print_text s | |
190f1acf C |
1245 | | (Ast.Space s) :: (((Ast.Indent _ | Ast.Noindent _) :: _) as rest) -> |
1246 | print_text s; force_newline(); loop rest | |
1247 | | (Ast.Space s) :: rest -> print_text s; pr_space(); loop rest | |
8f657093 C |
1248 | | Ast.Noindent s :: rest -> |
1249 | unindent false; print_text s; force_newline(); loop rest | |
1250 | | Ast.Indent s :: rest -> | |
190f1acf C |
1251 | print_text s; force_newline(); loop rest in |
1252 | loop xs; false | |
708f4980 | 1253 | | Ast.Token(x,None) -> print_text x; if_open_brace x |
ae4735db | 1254 | | Ast.Token(x,Some info) -> |
34e49164 | 1255 | mcode |
708f4980 | 1256 | (fun x line lcol -> |
34e49164 | 1257 | (match x with |
708f4980 | 1258 | "else" -> force_newline() |
34e49164 | 1259 | | _ -> ()); |
002099fc | 1260 | print_string x line lcol) |
faf9a90c | 1261 | (let nomcodekind = Ast.CONTEXT(Ast.DontCarePos,Ast.NOTHING) in |
8f657093 | 1262 | (x,info,nomcodekind,[])); |
34e49164 C |
1263 | if_open_brace x |
1264 | ||
1265 | | Ast.Code(x) -> let _ = top_level x in false | |
1266 | ||
ae4735db | 1267 | (* this is not '...', but a list of expr/statement/params, and |
34e49164 | 1268 | normally there should be no '...' inside them *) |
abad11c5 C |
1269 | | Ast.ExprDotsTag(x) -> |
1270 | let check_comma cm = | |
1271 | match Ast.unwrap cm with | |
1272 | Ast.EComma(cm) -> pr_space() | |
1273 | | _ -> () in | |
1274 | dots check_comma expression x; false | |
34e49164 | 1275 | | Ast.ParamDotsTag(x) -> parameter_list x; false |
708f4980 C |
1276 | | Ast.StmtDotsTag(x) -> dots force_newline (statement "") x; false |
1277 | | Ast.DeclDotsTag(x) -> dots force_newline declaration x; false | |
34e49164 C |
1278 | |
1279 | | Ast.TypeCTag(x) -> typeC x; false | |
1280 | | Ast.ParamTag(x) -> parameterTypeDef x; false | |
1281 | | Ast.SgrepStartTag(x) -> failwith "unexpected start tag" | |
1282 | | Ast.SgrepEndTag(x) -> failwith "unexpected end tag" | |
1283 | in | |
1284 | ||
8babbc8f C |
1285 | (*Printf.printf "start of the function\n";*) |
1286 | ||
faf9a90c C |
1287 | anything := (function x -> let _ = pp_any x in ()); |
1288 | ||
34e49164 C |
1289 | (* todo? imitate what is in pretty_print_cocci ? *) |
1290 | match xxs with | |
1291 | [] -> () | |
ae4735db | 1292 | | x::xs -> |
34e49164 C |
1293 | (* for many tags, we must not do a newline before the first '+' *) |
1294 | let isfn s = | |
1295 | match Ast.unwrap s with Ast.FunDecl _ -> true | _ -> false in | |
1296 | let unindent_before = function | |
1297 | (* need to get unindent before newline for } *) | |
1298 | (Ast.Token ("}",_)::_) -> true | |
1299 | | _ -> false in | |
1300 | let prnl x = | |
c3e37e97 | 1301 | (if unindent_before x then unindent true); |
708f4980 | 1302 | force_newline() in |
34e49164 | 1303 | let newline_before _ = |
b1b2de81 | 1304 | if before =*= After |
34e49164 C |
1305 | then |
1306 | let hd = List.hd xxs in | |
1307 | match hd with | |
190f1acf C |
1308 | (Ast.Pragma l::_) |
1309 | when List.for_all (function Ast.Space x -> true | _ -> false) l -> | |
1310 | () | |
1311 | | (Ast.StatementTag s::_) when isfn s -> | |
708f4980 | 1312 | force_newline(); force_newline() |
0708f913 | 1313 | | (Ast.Pragma _::_) |
34e49164 C |
1314 | | (Ast.Rule_elemTag _::_) | (Ast.StatementTag _::_) |
1315 | | (Ast.InitTag _::_) | |
1316 | | (Ast.DeclarationTag _::_) | (Ast.Token ("}",_)::_) -> prnl hd | |
1317 | | _ -> () in | |
1318 | let newline_after _ = | |
b1b2de81 | 1319 | if before =*= Before |
34e49164 C |
1320 | then |
1321 | match List.rev(List.hd(List.rev xxs)) with | |
0708f913 | 1322 | (Ast.StatementTag s::_) -> |
708f4980 C |
1323 | (if isfn s then force_newline()); |
1324 | force_newline() | |
0708f913 C |
1325 | | (Ast.Pragma _::_) |
1326 | | (Ast.Rule_elemTag _::_) | (Ast.InitTag _::_) | |
708f4980 C |
1327 | | (Ast.DeclarationTag _::_) | (Ast.Token ("{",_)::_) -> |
1328 | force_newline() | |
34e49164 C |
1329 | | _ -> () in |
1330 | (* print a newline at the beginning, if needed *) | |
1331 | newline_before(); | |
1332 | (* print a newline before each of the rest *) | |
1333 | let rec loop leading_newline indent_needed = function | |
1334 | [] -> () | |
1335 | | x::xs -> | |
1336 | (if leading_newline | |
1337 | then | |
1338 | match (indent_needed,unindent_before x) with | |
708f4980 C |
1339 | (true,true) -> force_newline() |
1340 | | (true,false) -> force_newline(); indent() | |
c3e37e97 | 1341 | | (false,true) -> unindent true; force_newline() |
708f4980 | 1342 | | (false,false) -> force_newline()); |
002099fc C |
1343 | let space_needed_before = function |
1344 | Ast.ParamTag(x) -> | |
1345 | (match Ast.unwrap x with | |
1346 | Ast.PComma _ -> false | |
1347 | | _ -> true) | |
1348 | | Ast.ExpressionTag(x) -> | |
1349 | (match Ast.unwrap x with | |
1350 | Ast.EComma _ -> false | |
1351 | | _ -> true) | |
1352 | | Ast.InitTag(x) -> | |
1353 | (match Ast.unwrap x with | |
1354 | Ast.IComma _ -> false | |
1355 | | _ -> true) | |
8babbc8f C |
1356 | | Ast.Token(t,_) when List.mem t [",";";";"(";")";".";"->"] -> |
1357 | false | |
002099fc C |
1358 | | _ -> true in |
1359 | let space_needed_after = function | |
8babbc8f C |
1360 | Ast.Token(t,_) |
1361 | when List.mem t ["(";".";"->"] -> (*never needed*) false | |
002099fc C |
1362 | | Ast.Token(t,_) when List.mem t ["if";"for";"while";"do"] -> |
1363 | (* space always needed *) | |
1364 | pr_space(); false | |
5636bb2c C |
1365 | | Ast.ExpressionTag(e) -> |
1366 | (match Ast.unwrap e with | |
1367 | Ast.EComma _ -> | |
1368 | (* space always needed *) | |
1369 | pr_space(); false | |
1370 | | _ -> true) | |
1371 | | t -> true in | |
34e49164 | 1372 | let indent_needed = |
002099fc C |
1373 | let rec loop space_after indent_needed = function |
1374 | [] -> indent_needed | |
1375 | | x::xs -> | |
1376 | (if space_after && space_needed_before x | |
1377 | then pr_space()); | |
1378 | let indent_needed = pp_any x in | |
1379 | let space_after = space_needed_after x in | |
1380 | loop space_after indent_needed xs in | |
1381 | loop false false x in | |
34e49164 C |
1382 | loop true indent_needed xs in |
1383 | loop false false (x::xs); | |
1384 | (* print a newline at the end, if needed *) | |
1385 | newline_after() | |
1386 | ||
951c7801 | 1387 | let rec pp_list_list_any (envs, pr, pr_celem, pr_cspace, pr_space, pr_arity, |
993936c0 | 1388 | pr_barrier, indent, unindent, eatspace) |
951c7801 C |
1389 | generating xxs before = |
1390 | List.iter | |
1391 | (function env -> | |
1392 | do_all (env, pr, pr_celem, pr_cspace, pr_space, pr_arity, pr_barrier, | |
993936c0 | 1393 | indent, unindent, eatspace) |
951c7801 C |
1394 | generating xxs before) |
1395 | envs |