(*
* Copyright 2010, INRIA, University of Copenhagen
* Julia Lawall, Rene Rydhof Hansen, Gilles Muller, Nicolas Palix
* Copyright 2005-2009, Ecole des Mines de Nantes, University of Copenhagen
* Yoann Padioleau, Julia Lawall, Rene Rydhof Hansen, Henrik Stuart, Gilles Muller, Nicolas Palix
* This file is part of Coccinelle.
*
* Coccinelle is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, according to version 2 of the License.
*
* Coccinelle is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Coccinelle. If not, see .
*
* The authors reserve the right to distribute this or future versions of
* Coccinelle under other licenses.
*)
(*
* Copyright 2010, INRIA, University of Copenhagen
* Julia Lawall, Rene Rydhof Hansen, Gilles Muller, Nicolas Palix
* Copyright 2005-2009, Ecole des Mines de Nantes, University of Copenhagen
* Yoann Padioleau, Julia Lawall, Rene Rydhof Hansen, Henrik Stuart, Gilles Muller, Nicolas Palix
* This file is part of Coccinelle.
*
* Coccinelle is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, according to version 2 of the License.
*
* Coccinelle is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Coccinelle. If not, see .
*
* The authors reserve the right to distribute this or future versions of
* Coccinelle under other licenses.
*)
open Format
module Ast = Ast_cocci
module Ast0 = Ast0_cocci
module U = Pretty_print_cocci
let quiet = ref true (* true = no decoration on - context, etc *)
let full_ids = ref false (* true = print rule name as well *)
let start_block str =
force_newline(); print_string " "; open_box 0
let end_block str =
close_box(); force_newline ()
let print_option = Common.do_option
let print_between = Common.print_between
(* --------------------------------------------------------------------- *)
(* Positions *)
let meta_pos = function
Ast0.MetaPos(name,_,_) ->
print_string "@";
let (_,name) = Ast0.unwrap_mcode name in
print_string name
| Ast0.NoMetaPos -> ()
(* --------------------------------------------------------------------- *)
(* Modified code *)
let mcodekind brackets fn x info mc =
let print = function Ast.Noindent s | Ast.Indent s -> print_string s in
List.iter (function (s,_) -> print s) info.Ast0.strings_before;
(match mc with
Ast0.MINUS(plus_stream) ->
let (lb,rb) =
if !quiet
then ("","")
else
match brackets with
Some x -> ("[","]^"^(string_of_int x))
| None -> ("","") in
let (plus_stream,_) = !plus_stream in
if !quiet
then fn x
else (print_string "-";
print_string lb; fn x; print_string rb);
U.print_anything ">>> " plus_stream
| Ast0.CONTEXT(plus_streams) ->
let (lb,rb) =
if !quiet
then ("","")
else
match brackets with
Some x -> ("[",("]^"^(string_of_int x))) | None -> ("","") in
let (plus_streams,t1,t2) = !plus_streams in
U.print_around
(function x ->
print_string lb; fn x; print_string rb)
x plus_streams
| Ast0.PLUS _ -> print_int (info.Ast0.pos_info.Ast0.column); fn x
| Ast0.MIXED(plus_streams) ->
let (lb,rb) =
if !quiet
then ("","")
else
let n =
match brackets with Some x -> "^"^(string_of_int x) | None -> "" in
("§","½"^n) in
let (plus_streams,_,_) = !plus_streams in
U.print_around (function x -> print_string lb; fn x; print_string rb)
x plus_streams);
List.iter (function (s,_) -> print s) info.Ast0.strings_after
let mcode fn (x,_,info,mc,pos,adj) =
let fn x = fn x; meta_pos !pos in
mcodekind (Some info.Ast0.pos_info.Ast0.line_start)(*None*) fn x info mc
let print_context x fn =
mcodekind (Some (Ast0.get_line x)) fn () (Ast0.get_info x)
(Ast0.get_mcodekind x)
let print_meta (ctx,name) =
(if !full_ids
then (print_string ctx; print_string ":"));
print_string name
(* --------------------------------------------------------------------- *)
(* --------------------------------------------------------------------- *)
(* Dots *)
let dots between fn d =
print_context d
(function _ ->
match Ast0.unwrap d with
Ast0.DOTS(l) -> print_between between fn l
| Ast0.CIRCLES(l) -> print_between between fn l
| Ast0.STARS(l) -> print_between between fn l)
(* --------------------------------------------------------------------- *)
let print_types = function
None -> ()
| Some ty ->
print_string "/* ";
Format.print_flush();
print_between (function _ -> print_string ", ") Type_cocci.typeC ty;
Format.print_flush();
print_string " */"
(* --------------------------------------------------------------------- *)
(* Identifier *)
let rec ident i =
print_context i
(function _ ->
match Ast0.unwrap i with
Ast0.Id(name) -> mcode print_string name
| Ast0.MetaId(name,_,_) -> mcode print_meta name
| Ast0.MetaFunc(name,_,_) -> mcode print_meta name
| Ast0.MetaLocalFunc(name,_,_) -> mcode print_meta name
| Ast0.OptIdent(id) -> print_string "?"; ident id
| Ast0.UniqueIdent(id) -> print_string "!"; ident id)
(* --------------------------------------------------------------------- *)
(* Expression *)
let print_string_box s = print_string s; open_box 0
let rec expression e =
print_option Type_cocci.typeC (Ast0.get_type e);
print_context e
(function _ ->
match Ast0.unwrap e with
Ast0.Ident(id) -> ident id
| Ast0.Constant(const) -> mcode U.constant const
| Ast0.FunCall(fn,lp,args,rp) ->
expression fn; mcode print_string_box lp;
let _ = dots (function _ -> ()) expression args in
close_box(); mcode print_string rp
| Ast0.Assignment(left,op,right,_) ->
expression left; print_string " "; mcode U.assignOp op;
print_string " "; expression right
| Ast0.CondExpr(exp1,why,exp2,colon,exp3) ->
expression exp1; print_string " "; mcode print_string why;
print_option (function e -> print_string " "; expression e) exp2;
print_string " "; mcode print_string colon; expression exp3
| Ast0.Postfix(exp,op) -> expression exp; mcode U.fixOp op
| Ast0.Infix(exp,op) -> mcode U.fixOp op; expression exp
| Ast0.Unary(exp,op) -> mcode U.unaryOp op; expression exp
| Ast0.Binary(left,op,right) ->
print_string "(";
expression left; print_string " "; mcode U.binaryOp op;
print_string " "; expression right;
print_string ")"
| Ast0.Nested(left,op,right) ->
print_string "(";
expression left; print_string " "; mcode U.binaryOp op;
print_string " "; expression right;
print_string ")"
| Ast0.Paren(lp,exp,rp) ->
mcode print_string_box lp; expression exp; close_box();
mcode print_string rp
| Ast0.ArrayAccess(exp1,lb,exp2,rb) ->
expression exp1; mcode print_string_box lb; expression exp2;
close_box(); mcode print_string rb
| Ast0.RecordAccess(exp,pt,field) ->
expression exp; mcode print_string pt; ident field
| Ast0.RecordPtAccess(exp,ar,field) ->
expression exp; mcode print_string ar; ident field
| Ast0.Cast(lp,ty,rp,exp) ->
mcode print_string_box lp; typeC ty; close_box();
mcode print_string rp; expression exp
| Ast0.SizeOfExpr(szf,exp) ->
mcode print_string szf; expression exp
| Ast0.SizeOfType(szf,lp,ty,rp) ->
mcode print_string szf;
mcode print_string_box lp; typeC ty; close_box();
mcode print_string rp
| Ast0.TypeExp(ty) -> typeC ty
| Ast0.MetaErr(name,_,_) -> mcode print_meta name
| Ast0.MetaExpr(name,_,ty,_,pure) ->
mcode print_meta name; print_types ty(*;
print_string "^";
(match pure with
Ast0.Pure -> print_string "pure"
| Ast0.Impure -> print_string "impure"
| Ast0.Context -> print_string "context"
| Ast0.PureContext -> print_string "pure_context")*)
| Ast0.MetaExprList(name,_,_) -> mcode print_meta name
| Ast0.EComma(cm) -> mcode print_string cm; print_space()
| Ast0.DisjExpr(_,exp_list,_,_) ->
print_string "\n("; force_newline();
print_between
(function _ -> print_string "\n|"; force_newline())
expression exp_list;
print_string "\n)"
| Ast0.NestExpr(starter,expr_dots,ender,None,multi) ->
mcode print_string starter;
start_block(); dots force_newline expression expr_dots; end_block();
mcode print_string ender
| Ast0.NestExpr(starter,expr_dots,ender,Some whencode,multi) ->
mcode print_string starter; print_string " WHEN != ";
expression whencode;
start_block(); dots force_newline expression expr_dots; end_block();
mcode print_string ender
| Ast0.Edots(dots,Some whencode)
| Ast0.Ecircles(dots,Some whencode)
| Ast0.Estars(dots,Some whencode) ->
mcode print_string dots; print_string " WHEN != ";
expression whencode
| Ast0.Edots(dots,None)
| Ast0.Ecircles(dots,None)
| Ast0.Estars(dots,None) -> mcode print_string dots
| Ast0.OptExp(exp) -> print_string "?"; expression exp
| Ast0.UniqueExp(exp) -> print_string "!"; expression exp)
and expression_dots x = dots (function _ -> ()) expression x
(* --------------------------------------------------------------------- *)
(* Types *)
and print_function_pointer (ty,lp1,star,rp1,lp2,params,rp2) fn =
typeC ty; mcode print_string lp1; mcode print_string star; fn();
mcode print_string rp1; mcode print_string lp2;
parameter_list params; mcode print_string rp2
and print_function_type (ty,lp1,params,rp1) fn =
print_option typeC ty; fn(); mcode print_string lp1;
parameter_list params; mcode print_string rp1
and typeC t =
print_context t
(function _ ->
match Ast0.unwrap t with
Ast0.ConstVol(cv,ty) ->
mcode U.const_vol cv; print_string " "; typeC ty
| Ast0.BaseType(ty,strings) ->
List.iter (function s -> mcode print_string s; print_string " ")
strings
| Ast0.Signed(sgn,ty) -> mcode U.sign sgn; print_option typeC ty
| Ast0.Pointer(ty,star) -> typeC ty; mcode print_string star
| Ast0.FunctionPointer(ty,lp1,star,rp1,lp2,params,rp2) ->
print_function_pointer (ty,lp1,star,rp1,lp2,params,rp2)
(function _ -> ())
| Ast0.FunctionType(ty,lp1,params,rp1) ->
print_function_type (ty,lp1,params,rp1) (function _ -> ())
| Ast0.Array(ty,lb,size,rb) ->
typeC ty; mcode print_string lb; print_option expression size;
mcode print_string rb
| Ast0.EnumName(kind,name) ->
mcode print_string kind;
print_option (function x -> ident x; print_string " ") name
| Ast0.EnumDef(ty,lb,ids,rb) ->
typeC ty; mcode print_string lb;
dots force_newline expression ids;
mcode print_string rb
| Ast0.StructUnionName(kind,name) ->
mcode U.structUnion kind;
print_option (function x -> ident x; print_string " ") name
| Ast0.StructUnionDef(ty,lb,decls,rb) ->
typeC ty; mcode print_string lb;
dots force_newline declaration decls;
mcode print_string rb
| Ast0.TypeName(name)-> mcode print_string name; print_string " "
| Ast0.MetaType(name,_)-> mcode print_meta name; print_string " "
| Ast0.DisjType(lp,types,mids,rp) ->
print_string "\n"; mcode print_string lp; force_newline();
print_between
(function _ -> print_string "\n|"; force_newline())
typeC types;
print_string "\n"; mcode print_string rp
| Ast0.OptType(ty) -> print_string "?"; typeC ty
| Ast0.UniqueType(ty) -> print_string "!"; typeC ty)
(* --------------------------------------------------------------------- *)
(* Variable declaration *)
(* Even if the Cocci program specifies a list of declarations, they are
split out into multiple declarations of a single variable each. *)
and print_named_type ty id =
match Ast0.unwrap ty with
Ast0.FunctionPointer(ty,lp1,star,rp1,lp2,params,rp2) ->
print_function_pointer (ty,lp1,star,rp1,lp2,params,rp2)
(function _ -> print_string " "; ident id)
| Ast0.FunctionType(ty,lp1,params,rp1) ->
print_function_type (ty,lp1,params,rp1)
(function _ -> print_string " "; ident id)
| Ast0.Array(ty,lb,size,rb) ->
let rec loop ty k =
match Ast0.unwrap ty with
Ast0.Array(ty,lb,size,rb) ->
loop ty
(function _ ->
k ();
mcode print_string lb;
print_option expression size;
mcode print_string rb)
| _ -> typeC ty; ident id; k () in
loop ty (function _ -> ())
| _ -> typeC ty; ident id
and declaration d =
print_context d
(function _ ->
match Ast0.unwrap d with
Ast0.MetaDecl(name,_) | Ast0.MetaField(name,_) -> mcode print_meta name
| Ast0.Init(stg,ty,id,eq,ini,sem) ->
print_option (mcode U.storage) stg;
print_named_type ty id;
print_string " ";
mcode print_string eq; print_string " "; initialiser ini;
mcode print_string sem
| Ast0.UnInit(stg,ty,id,sem) ->
print_option (mcode U.storage) stg; print_named_type ty id;
mcode print_string sem
| Ast0.MacroDecl(name,lp,args,rp,sem) ->
ident name; mcode print_string_box lp;
let _ = dots (function _ -> ()) expression args in
close_box(); mcode print_string rp; mcode print_string sem
| Ast0.TyDecl(ty,sem) -> typeC ty; mcode print_string sem
| Ast0.Typedef(stg,ty,id,sem) ->
mcode print_string stg; typeC ty; typeC id;
mcode print_string sem
| Ast0.DisjDecl(_,decls,_,_) ->
print_string "\n("; force_newline();
print_between
(function _ -> print_string "\n|"; force_newline())
declaration decls;
print_string "\n)"
| Ast0.Ddots(dots,Some whencode) ->
mcode print_string dots; print_string " when != ";
declaration whencode
| Ast0.Ddots(dots,None) -> mcode print_string dots
| Ast0.OptDecl(decl) -> print_string "?"; declaration decl
| Ast0.UniqueDecl(decl) -> print_string "!"; declaration decl)
and declaration_dots l = dots (function _ -> ()) declaration l
(* --------------------------------------------------------------------- *)
(* Initialiser *)
and initialiser i =
print_context i
(function _ ->
match Ast0.unwrap i with
Ast0.MetaInit(name,_)-> mcode print_meta name; print_string " "
| Ast0.InitExpr(exp) -> expression exp
| Ast0.InitList(lb,initlist,rb,ordered) ->
(*doesn't show commas dropped in unordered case*)
mcode print_string lb; open_box 0;
let _ = dots (function _ -> ()) initialiser initlist in
close_box(); mcode print_string rb
| Ast0.InitGccExt(designators,eq,ini) ->
List.iter designator designators; print_string " ";
mcode print_string eq; print_string " "; initialiser ini
| Ast0.InitGccName(name,eq,ini) ->
ident name; mcode print_string eq; initialiser ini
| Ast0.IComma(cm) -> mcode print_string cm; force_newline()
| Ast0.Idots(d,Some whencode) ->
mcode print_string d; print_string " WHEN != ";
initialiser whencode
| Ast0.Idots(d,None) -> mcode print_string d
| Ast0.OptIni(ini) -> print_string "?"; initialiser ini
| Ast0.UniqueIni(ini) -> print_string "!"; initialiser ini)
and designator = function
Ast0.DesignatorField(dot,id) -> mcode print_string dot; ident id
| Ast0.DesignatorIndex(lb,exp,rb) ->
mcode print_string lb; expression exp; mcode print_string rb
| Ast0.DesignatorRange(lb,min,dots,max,rb) ->
mcode print_string lb; expression min; mcode print_string dots;
expression max; mcode print_string rb
and initialiser_list l = dots (function _ -> ()) initialiser l
(* --------------------------------------------------------------------- *)
(* Parameter *)
and parameterTypeDef p =
print_context p
(function _ ->
match Ast0.unwrap p with
Ast0.VoidParam(ty) -> typeC ty
| Ast0.Param(ty,Some id) -> print_named_type ty id
| Ast0.Param(ty,None) -> typeC ty
| Ast0.MetaParam(name,_) -> mcode print_meta name
| Ast0.MetaParamList(name,_,_) -> mcode print_meta name
| Ast0.PComma(cm) -> mcode print_string cm; print_space()
| Ast0.Pdots(dots) -> mcode print_string dots
| Ast0.Pcircles(dots) -> mcode print_string dots
| Ast0.OptParam(param) -> print_string "?"; parameterTypeDef param
| Ast0.UniqueParam(param) -> print_string "!"; parameterTypeDef param)
and parameter_list l = dots (function _ -> ()) parameterTypeDef l
(* --------------------------------------------------------------------- *)
(* Top-level code *)
and statement arity s =
print_context s
(function _ ->
match Ast0.unwrap s with
Ast0.FunDecl(_,fninfo,name,lp,params,rp,lbrace,body,rbrace) ->
print_string arity;
List.iter print_fninfo fninfo;
ident name; mcode print_string_box lp;
parameter_list params; close_box(); mcode print_string rp;
print_string " ";
print_string arity; mcode print_string lbrace; start_block();
dots force_newline (statement arity) body;
end_block(); print_string arity; mcode print_string rbrace
| Ast0.Decl(_,decl) -> print_string arity; declaration decl
| Ast0.Seq(lbrace,body,rbrace) ->
print_string arity; mcode print_string lbrace; start_block();
dots force_newline (statement arity) body;
end_block(); print_string arity; mcode print_string rbrace
| Ast0.ExprStatement(exp,sem) ->
print_string arity; expression exp; mcode print_string sem
| Ast0.IfThen(iff,lp,exp,rp,branch1,(info,aft)) ->
print_string arity;
mcode print_string iff; print_string " "; mcode print_string_box lp;
expression exp; close_box(); mcode print_string rp; print_string " ";
statement arity branch1;
mcode (function _ -> ()) ((),(),info,aft,ref Ast0.NoMetaPos,-1)
| Ast0.IfThenElse(iff,lp,exp,rp,branch1,els,branch2,(info,aft)) ->
print_string arity;
mcode print_string iff; print_string " "; mcode print_string_box lp;
expression exp; close_box(); mcode print_string rp; print_string " ";
statement arity branch1;
print_string arity; mcode print_string els; print_string " ";
statement arity branch2;
mcode (function _ -> ()) ((),(),info,aft,ref Ast0.NoMetaPos,-1)
| Ast0.While(whl,lp,exp,rp,body,(info,aft)) ->
print_string arity;
mcode print_string whl; print_string " "; mcode print_string_box lp;
expression exp; close_box(); mcode print_string rp; print_string " ";
statement arity body;
mcode (function _ -> ()) ((),(),info,aft,ref Ast0.NoMetaPos,-1)
| Ast0.Do(d,body,whl,lp,exp,rp,sem) ->
print_string arity; mcode print_string d; print_string " ";
statement arity body;
print_string arity;
mcode print_string whl; print_string " "; mcode print_string_box lp;
expression exp; close_box(); mcode print_string rp;
mcode print_string sem
| Ast0.For(fr,lp,e1,sem1,e2,sem2,e3,rp,body,(info,aft)) ->
print_string arity;
mcode print_string fr; mcode print_string_box lp;
print_option expression e1; mcode print_string sem1;
print_option expression e2; mcode print_string sem2;
print_option expression e3; close_box();
mcode print_string rp; print_string " "; statement arity body;
mcode (function _ -> ()) ((),(),info,aft,ref Ast0.NoMetaPos,-1)
| Ast0.Iterator(nm,lp,args,rp,body,(info,aft)) ->
print_string arity;
ident nm; print_string " "; mcode print_string_box lp;
let _ = dots (function _ -> ()) expression args in
close_box(); mcode print_string rp; print_string " ";
statement arity body;
mcode (function _ -> ()) ((),(),info,aft,ref Ast0.NoMetaPos,-1)
| Ast0.Switch(switch,lp,exp,rp,lb,decls,cases,rb) ->
print_string arity;
mcode print_string switch; print_string " ";
mcode print_string_box lp; expression exp; close_box();
mcode print_string rp; print_string " "; mcode print_string lb;
dots force_newline (statement arity) decls;
dots force_newline (case_line arity) cases;
mcode print_string rb
| Ast0.Break(br,sem) ->
print_string arity; mcode print_string br; mcode print_string sem
| Ast0.Continue(cont,sem) ->
print_string arity; mcode print_string cont; mcode print_string sem
| Ast0.Label(l,dd) -> ident l; print_string ":"
| Ast0.Goto(goto,l,sem) ->
mcode print_string goto; ident l; mcode print_string sem
| Ast0.Return(ret,sem) ->
print_string arity; mcode print_string ret; mcode print_string sem
| Ast0.ReturnExpr(ret,exp,sem) ->
print_string arity; mcode print_string ret; print_string " ";
expression exp; mcode print_string sem
| Ast0.MetaStmt(name,pure) ->
print_string arity; mcode print_meta name;(*
print_string "^";
(match pure with
Ast0.Pure -> print_string "pure"
| Ast0.Impure -> print_string "impure"
| Ast0.Context -> print_string "context"
| Ast0.PureContext -> print_string "pure_context")*)
| Ast0.MetaStmtList(name,_) ->
print_string arity; mcode print_meta name
| Ast0.Disj(starter,statement_dots_list,_,ender) ->
print_string arity;
print_string "\n"; mcode print_string starter; force_newline();
print_between
(function _ -> print_string "\n|"; force_newline())
(dots force_newline (statement arity))
statement_dots_list;
print_string "\n"; mcode print_string ender
| Ast0.Nest(starter,stmt_dots,ender,whn,multi) ->
print_string arity;
mcode print_string starter;
open_box 0;
List.iter
(whencode (dots force_newline (statement "")) (statement ""))
whn;
close_box();
start_block();
dots force_newline (statement arity) stmt_dots;
end_block();
mcode print_string ender
| Ast0.Exp(exp) -> print_string arity; expression exp
| Ast0.TopExp(exp) -> print_string arity; expression exp
| Ast0.Ty(ty) -> print_string arity; typeC ty
| Ast0.TopInit(init) -> initialiser init
| Ast0.Dots(d,whn) | Ast0.Circles(d,whn) | Ast0.Stars(d,whn) ->
print_string arity; mcode print_string d;
List.iter
(whencode (dots force_newline (statement "")) (statement ""))
whn
| Ast0.Include(inc,s) ->
mcode print_string inc; print_string " "; mcode U.inc_file s
| Ast0.Define(def,id,params,body) ->
mcode print_string def; print_string " "; ident id;
print_define_parameters params;
print_string " ";
dots force_newline (statement arity) body
| Ast0.OptStm(re) -> statement "?" re
| Ast0.UniqueStm(re) -> statement "!" re)
and print_define_parameters params =
match Ast0.unwrap params with
Ast0.NoParams -> ()
| Ast0.DParams(lp,params,rp) ->
mcode print_string lp;
dots (function _ -> ()) print_define_param params; mcode print_string rp
and print_define_param param =
match Ast0.unwrap param with
Ast0.DParam(id) -> ident id
| Ast0.DPComma(comma) -> mcode print_string comma
| Ast0.DPdots(dots) -> mcode print_string dots
| Ast0.DPcircles(circles) -> mcode print_string circles
| Ast0.OptDParam(dp) -> print_string "?"; print_define_param dp
| Ast0.UniqueDParam(dp) -> print_string "!"; print_define_param dp
and print_fninfo = function
Ast0.FStorage(stg) -> mcode U.storage stg
| Ast0.FType(ty) -> typeC ty
| Ast0.FInline(inline) -> mcode print_string inline
| Ast0.FAttr(attr) -> mcode print_string attr
and whencode notfn alwaysfn = function
Ast0.WhenNot a ->
print_string " WHEN != "; open_box 0; notfn a; close_box()
| Ast0.WhenAlways a ->
print_string " WHEN = "; open_box 0; alwaysfn a; close_box()
| Ast0.WhenModifier x -> print_string " WHEN "; U.print_when_modif x
| Ast0.WhenNotTrue a ->
print_string " WHEN != TRUE "; open_box 0; expression a; close_box()
| Ast0.WhenNotFalse a ->
print_string " WHEN != FALSE "; open_box 0; expression a; close_box()
and case_line arity c =
print_context c
(function _ ->
match Ast0.unwrap c with
Ast0.Default(def,colon,code) ->
print_string arity;
mcode print_string def; mcode print_string colon; print_string " ";
dots force_newline (statement arity) code
| Ast0.Case(case,exp,colon,code) ->
print_string arity;
mcode print_string case; print_string " "; expression exp;
mcode print_string colon; print_string " ";
dots force_newline (statement arity) code
| Ast0.DisjCase(starter,case_lines,mids,ender) ->
print_string "\n("; force_newline();
print_between
(function _ -> print_string "\n|"; force_newline())
(case_line arity) case_lines;
print_string "\n)"
| Ast0.OptCase(case) -> case_line "?" case)
and statement_dots l = dots (function _ -> ()) (statement "") l
and case_dots l = dots (function _ -> ()) (case_line "") l
(* --------------------------------------------------------------------- *)
(* Top level code *)
let top_level t =
print_context t
(function _ ->
match Ast0.unwrap t with
Ast0.FILEINFO(old_file,new_file) ->
print_string "--- "; mcode print_string old_file; force_newline();
print_string "+++ "; mcode print_string new_file
| Ast0.DECL(stmt) -> statement "" stmt
| Ast0.CODE(stmt_dots) ->
dots force_newline (statement "") stmt_dots
| Ast0.ERRORWORDS(exps) ->
print_string "error words = [";
print_between (function _ -> print_string ", ") expression exps;
print_string "]"
| Ast0.OTHER(s) ->
print_string "OTHER("; statement "" s; print_string ")")
let rule =
print_between (function _ -> force_newline(); force_newline()) top_level
let unparse_anything x =
let q = !quiet in
quiet := true;
(match x with
Ast0.DotsExprTag(d) ->
print_string "ExpDots:"; force_newline();
expression_dots d
| Ast0.DotsParamTag(d) ->
parameter_list d
| Ast0.DotsInitTag(d) ->
initialiser_list d
| Ast0.DotsStmtTag(d) ->
print_string "StmDots:"; force_newline();
statement_dots d
| Ast0.DotsDeclTag(d) -> declaration_dots d
| Ast0.DotsCaseTag(d) -> case_dots d
| Ast0.IdentTag(d) -> ident d
| Ast0.ExprTag(d) | Ast0.ArgExprTag(d) | Ast0.TestExprTag(d) ->
print_string "Exp:"; force_newline();
expression d
| Ast0.TypeCTag(d) -> typeC d
| Ast0.ParamTag(d) -> parameterTypeDef d
| Ast0.InitTag(d) -> initialiser d
| Ast0.DeclTag(d) -> declaration d
| Ast0.StmtTag(d) ->
print_string "Stm:"; force_newline();
statement "" d
| Ast0.CaseLineTag(d) -> case_line "" d
| Ast0.TopTag(d) -> top_level d
| Ast0.IsoWhenTag(x) -> U.print_when_modif x
| Ast0.IsoWhenTTag(e) -> expression e
| Ast0.IsoWhenFTag(e) -> expression e
| Ast0.MetaPosTag(var) -> meta_pos var);
quiet := q;
print_newline()
let unparse x =
print_string "\n@@\n@@";
force_newline();
force_newline();
rule x;
print_newline()
let unparse_to_string x = Common.format_to_string (function _ -> unparse x)