(*
-* Copyright 2005-2008, Ecole des Mines de Nantes, University of Copenhagen
+* Copyright 2005-2009, Ecole des Mines de Nantes, University of Copenhagen
* Yoann Padioleau, Julia Lawall, Rene Rydhof Hansen, Henrik Stuart, Gilles Muller
* This file is part of Coccinelle.
*
V.rebuilder
mcode mcode mcode mcode mcode mcode mcode mcode mcode mcode mcode mcode
- mcode
donothing donothing stmtdotsfn donothing
donothing donothing donothing donothing donothing donothing donothing
donothing donothing donothing donothing donothing
let option_default = false in
let mcode r (_,_,kind,metapos) =
match kind with
- Ast.MINUS(_,_) -> true
+ Ast.MINUS(_,_,_,_) -> true
| Ast.PLUS -> failwith "not possible"
| Ast.CONTEXT(_,info) -> not (info = Ast.NOTHING) in
let do_nothing r k e = k e in
let recursor =
V.combiner bind option_default
mcode mcode mcode mcode mcode mcode mcode mcode mcode mcode mcode mcode
- mcode
do_nothing do_nothing do_nothing do_nothing
do_nothing do_nothing do_nothing do_nothing do_nothing do_nothing
do_nothing rule_elem do_nothing do_nothing do_nothing do_nothing in
let recursor =
V.combiner bind option_default
mcode mcode mcode mcode mcode mcode mcode mcode mcode mcode mcode mcode
- mcode
do_nothing do_nothing do_nothing do_nothing
do_nothing do_nothing do_nothing do_nothing do_nothing do_nothing
do_nothing rule_elem do_nothing do_nothing do_nothing do_nothing in
let option_default = 0 in
let stmt_count r k s =
match Ast.unwrap s with
- Ast.Seq(_,_,_,_) | Ast.FunDecl(_,_,_,_,_) -> (k s) + 1
+ Ast.Seq(_,_,_) | Ast.FunDecl(_,_,_,_) -> (k s) + 1
| _ -> k s in
let donothing r k e = k e in
let mcode r x = 0 in
let recursor = V.combiner bind option_default
mcode mcode mcode mcode mcode mcode mcode mcode mcode mcode mcode mcode
- mcode
donothing donothing donothing donothing
donothing donothing donothing donothing donothing donothing
donothing donothing stmt_count donothing donothing donothing in
(match Ast.unwrap ast with
Ast.MetaStmt(_,_,_,_) -> (s,[])
| _ -> (s,[Ast.Other s]))
- | Ast.Seq(lbrace,decls,body,rbrace) ->
+ | Ast.Seq(lbrace,body,rbrace) ->
let index = count_nested_braces s in
- let (de,dea) = get_before decls [Ast.WParen(lbrace,index)] in
- let (bd,_) = get_before body dea in
- (Ast.rewrap s (Ast.Seq(lbrace,de,bd,rbrace)),
- [Ast.WParen(rbrace,index)])
+ let (bd,_) = get_before body [Ast.WParen(lbrace,index)] in
+ (Ast.rewrap s (Ast.Seq(lbrace,bd,rbrace)),[Ast.WParen(rbrace,index)])
| Ast.Define(header,body) ->
let (body,_) = get_before body [] in
(Ast.rewrap s (Ast.Define(header,body)), [Ast.Other s])
| Ast.OptCase(case_line) -> failwith "not supported")
cases in
(Ast.rewrap s (Ast.Switch(header,lb,cases,rb)),[Ast.Other s])
- | Ast.FunDecl(header,lbrace,decls,body,rbrace) ->
- let (de,dea) = get_before decls [] in
- let (bd,_) = get_before body dea in
- (Ast.rewrap s (Ast.FunDecl(header,lbrace,de,bd,rbrace)),[])
+ | Ast.FunDecl(header,lbrace,body,rbrace) ->
+ let (bd,_) = get_before body [] in
+ (Ast.rewrap s (Ast.FunDecl(header,lbrace,bd,rbrace)),[])
| _ ->
Pretty_print_cocci.statement "" s; Format.print_newline();
failwith "get_before_e: not supported"
(Ast.MetaStmt(nm,keep,Ast.SequencibleAfterDots a,i)))),[])
| Ast.MetaStmt(_,_,_,_) -> (s,[])
| _ -> (s,[Ast.Other s]))
- | Ast.Seq(lbrace,decls,body,rbrace) ->
+ | Ast.Seq(lbrace,body,rbrace) ->
let index = count_nested_braces s in
- let (bd,bda) = get_after body [Ast.WParen(rbrace,index)] in
- let (de,_) = get_after decls bda in
- (Ast.rewrap s (Ast.Seq(lbrace,de,bd,rbrace)),
+ let (bd,_) = get_after body [Ast.WParen(rbrace,index)] in
+ (Ast.rewrap s (Ast.Seq(lbrace,bd,rbrace)),
[Ast.WParen(lbrace,index)])
| Ast.Define(header,body) ->
let (body,_) = get_after body a in
| Ast.OptCase(case_line) -> failwith "not supported")
cases in
(Ast.rewrap s (Ast.Switch(header,lb,cases,rb)),[Ast.Other s])
- | Ast.FunDecl(header,lbrace,decls,body,rbrace) ->
- let (bd,bda) = get_after body [] in
- let (de,_) = get_after decls bda in
- (Ast.rewrap s (Ast.FunDecl(header,lbrace,de,bd,rbrace)),[])
+ | Ast.FunDecl(header,lbrace,body,rbrace) ->
+ let (bd,_) = get_after body [] in
+ (Ast.rewrap s (Ast.FunDecl(header,lbrace,bd,rbrace)),[])
| _ -> failwith "get_after_e: not supported"
let preprocess_dots sl =
(Ast.Atomic(re),(_,_,_,Ast.CONTEXT(_,Ast.NOTHING))) ->
(match Ast.unwrap re with
Ast.MetaStmt((_,_,Ast.CONTEXT(_,Ast.NOTHING),_),
- Type_cocci.Unitary,_,false) ->
+ Type_cocci.Unitary,_,false)
+ when after = Tail or after = End or after = VeryEnd ->
let (efvs) =
match seq_fvs quantified [Ast.get_fvs header] with
[(efvs,_)] -> efvs
Ast.CONTEXT(pos,Ast.BEFOREAFTER(bef,_)) ->
Ast.CONTEXT(pos,Ast.BEFORE(bef))
| Ast.CONTEXT(pos,_) -> Ast.CONTEXT(pos,Ast.NOTHING)
- | Ast.MINUS(_,_) | Ast.PLUS -> failwith "not possible") in
+ | Ast.MINUS(_,_,_,_) | Ast.PLUS -> failwith "not possible") in
let middle_metamatch =
matcher
(match d with
Ast.CONTEXT(pos,_) -> Ast.CONTEXT(pos,Ast.NOTHING)
- | Ast.MINUS(_,_) | Ast.PLUS -> failwith "not possible") in
+ | Ast.MINUS(_,_,_,_) | Ast.PLUS -> failwith "not possible") in
let last_metamatch =
matcher
(match d with
Ast.CONTEXT(pos,Ast.BEFOREAFTER(_,aft)) ->
Ast.CONTEXT(pos,Ast.AFTER(aft))
| Ast.CONTEXT(_,_) -> d
- | Ast.MINUS(_,_) | Ast.PLUS -> failwith "not possible") in
+ | Ast.MINUS(_,_,_,_) | Ast.PLUS -> failwith "not possible") in
let rest_nodes =
ctl_and CTL.NONSTRICT middle_metamatch prelabel_pred in
let prelabel_pred =
CTL.Pred (Lib_engine.PrefixLabel(label_var),CTL.Control) in
let matcher d = make_match None guard (make_meta_rule_elem d fvinfo) in
- let pure_d =
+ let ender =
+ match (d,after) with
+ (Ast.CONTEXT(pos,Ast.NOTHING),(Tail|End|VeryEnd)) ->
+ (* just match the root. don't care about label; always ok *)
+ make_raw_match None false ast
+ | (Ast.MINUS(pos,inst,adj,[]),(Tail|End|VeryEnd)) ->
(* don't have to put anything before the beginning, so don't have to
distinguish the first node. so don't have to bother about paths,
just use the label. label ensures that found nodes match up with
what they should because it is in the lhs of the andany. *)
- match d with
- Ast.MINUS(pos,[]) -> true
- | Ast.CONTEXT(pos,Ast.NOTHING) -> true
- | _ -> false in
- let ender =
- match (pure_d,after) with
- (true,Tail) | (true,End) | (true,VeryEnd) ->
- (* the label sharing makes it safe to use AndAny *)
CTL.HackForStmt(CTL.FORWARD,CTL.NONSTRICT,
ctl_and CTL.NONSTRICT label_pred
(make_raw_match label false ast),
let rest_metamatch =
matcher
(match d with
- Ast.MINUS(pos,_) -> Ast.MINUS(pos,[])
+ Ast.MINUS(pos,inst,adj,_) -> Ast.MINUS(pos,inst,adj,[])
| Ast.CONTEXT(pos,_) -> Ast.CONTEXT(pos,Ast.NOTHING)
| Ast.PLUS -> failwith "not possible") in
let rest_nodes = ctl_and CTL.NONSTRICT rest_metamatch prelabel_pred in
(ctl_au CTL.NONSTRICT
(ctl_and CTL.NONSTRICT (ctl_not v) preflabelpred)
(ctl_and CTL.NONSTRICT preflabelpred
- (ctl_or (retpred None)
- (if !Flag_matcher.only_return_is_error_exit
- then CTL.True
- else
- (ctl_or matchcontinue
- (ctl_and CTL.NONSTRICT
- (ctl_or matchgoto matchbreak)
- (ctl_ag s (ctl_not seq_after))))))))))) in
+ (if !Flag_matcher.only_return_is_error_exit
+ then
+ (ctl_and CTL.NONSTRICT
+ (retpred None) (ctl_not seq_after))
+ else
+ (ctl_or
+ (ctl_and CTL.NONSTRICT
+ (ctl_or (retpred None) matchcontinue)
+ (ctl_not seq_after))
+ (ctl_and CTL.NONSTRICT
+ (ctl_or matchgoto matchbreak)
+ (ctl_ag s (ctl_not seq_after)))))))))) in
let op = if quantifier = !exists then ctl_au else ctl_anti_au in
let v = get_let_ctr() in
op s x
is absent *)
let new_mc =
match (retmc,semmc) with
- (Ast.MINUS(_,l1),Ast.MINUS(_,l2)) when !Flag.sgrep_mode2 ->
+ (Ast.MINUS(_,inst1,adj1,l1),Ast.MINUS(_,_,_,l2))
+ when !Flag.sgrep_mode2 ->
(* in sgrep mode, we can propagate the - *)
- Some (Ast.MINUS(Ast.NoPos,l1@l2))
- | (Ast.MINUS(_,l1),Ast.MINUS(_,l2))
+ Some (Ast.MINUS(Ast.NoPos,inst1,adj1,l1@l2))
+ | (Ast.MINUS(_,_,_,l1),Ast.MINUS(_,_,_,l2))
| (Ast.CONTEXT(_,Ast.BEFORE(l1)),
Ast.CONTEXT(_,Ast.AFTER(l2))) ->
Some (Ast.CONTEXT(Ast.NoPos,Ast.BEFORE(l1@l2)))
| (Ast.CONTEXT(_,Ast.BEFORE(_)),Ast.CONTEXT(_,Ast.NOTHING))
| (Ast.CONTEXT(_,Ast.NOTHING),Ast.CONTEXT(_,Ast.NOTHING)) ->
Some retmc
- | (Ast.CONTEXT(_,Ast.NOTHING),Ast.CONTEXT(_,Ast.AFTER(l))) ->
+ | (Ast.CONTEXT(_,Ast.NOTHING),
+ Ast.CONTEXT(_,Ast.AFTER(l))) ->
Some (Ast.CONTEXT(Ast.NoPos,Ast.BEFORE(l)))
| _ -> None in
let ret = Ast.make_mcode "return" in
quantified minus_quantified label llabel slabel guard in
dots_done := true;
make_seq_after term after)
- | Ast.Seq(lbrace,decls,body,rbrace) ->
- let (lbfvs,b1fvs,b2fvs,b3fvs,rbfvs) =
+ | Ast.Seq(lbrace,body,rbrace) ->
+ let (lbfvs,b1fvs,b2fvs,rbfvs) =
match
seq_fvs quantified
- [Ast.get_fvs lbrace;Ast.get_fvs decls;
+ [Ast.get_fvs lbrace;
Ast.get_fvs body;Ast.get_fvs rbrace]
with
- [(lbfvs,b1fvs);(_,b2fvs);(_,b3fvs);(rbfvs,_)] ->
- (lbfvs,b1fvs,b2fvs,b3fvs,rbfvs)
+ [(lbfvs,b1fvs);(_,b2fvs);(rbfvs,_)] ->
+ (lbfvs,b1fvs,b2fvs,rbfvs)
| _ -> failwith "not possible" in
- let (mlbfvs,mb1fvs,mb2fvs,mb3fvs,mrbfvs) =
+ let (mlbfvs,mb1fvs,mb2fvs,mrbfvs) =
match
seq_fvs minus_quantified
- [Ast.get_mfvs lbrace;Ast.get_mfvs decls;
+ [Ast.get_mfvs lbrace;
Ast.get_mfvs body;Ast.get_mfvs rbrace]
with
- [(lbfvs,b1fvs);(_,b2fvs);(_,b3fvs);(rbfvs,_)] ->
- (lbfvs,b1fvs,b2fvs,b3fvs,rbfvs)
+ [(lbfvs,b1fvs);(_,b2fvs);(rbfvs,_)] ->
+ (lbfvs,b1fvs,b2fvs,rbfvs)
| _ -> failwith "not possible" in
let pv = count_nested_braces stmt in
let lv = get_label_ctr() in
paren_pred)) in
let new_quantified2 =
Common.union_set b1fvs (Common.union_set b2fvs quantified) in
- let new_quantified3 = Common.union_set b3fvs new_quantified2 in
let new_mquantified2 =
Common.union_set mb1fvs (Common.union_set mb2fvs minus_quantified) in
- let new_mquantified3 = Common.union_set mb3fvs new_mquantified2 in
let pattern_as_given =
let new_quantified2 = Common.union_set [pv] new_quantified2 in
- let new_quantified3 = Common.union_set [pv] new_quantified3 in
quantify true [pv;lv]
(quantify guard b1fvs
(make_seq
[start_brace;
quantify guard b2fvs
- (statement_list decls
- (After
- (quantify guard b3fvs
- (statement_list body
- (After (make_seq_after end_brace after))
- new_quantified3 new_mquantified3
- (Some (lv,ref true)) (* label mostly useful *)
- llabel slabel true guard)))
+ (statement_list body
+ (After (make_seq_after end_brace after))
new_quantified2 new_mquantified2
(Some (lv,ref true)) llabel slabel false guard)])) in
if ends_in_return body
ctl_au
(make_match empty_rbrace)
(ctl_ax (* skip the destination label *)
- (quantify guard b3fvs
+ (quantify guard b2fvs
(statement_list body End
- new_quantified3 new_mquantified3 None llabel slabel
+ new_quantified2 new_mquantified2 None llabel slabel
true guard)))] in
let pattern3 =
let new_quantified2 = Common.union_set [pv] new_quantified2 in
- let new_quantified3 = Common.union_set [pv] new_quantified3 in
quantify true [pv;lv]
(quantify guard b1fvs
(make_seq
(* want AF even for sgrep *)
(CTL.AF(CTL.FORWARD,CTL.STRICT,end_brace))))
(quantify guard b2fvs
- (statement_list decls
- (After
- (quantify guard b3fvs
- (statement_list body Tail
- (*After
- (make_seq_after
- nopv_end_brace after)*)
- new_quantified3 new_mquantified3
- None llabel slabel true guard)))
+ (statement_list body Tail
new_quantified2 new_mquantified2
(Some (lv,ref true))
llabel slabel false guard))])) in
- ctl_or pattern_as_given
- (match Ast.unwrap decls with
- Ast.DOTS([]) -> ctl_or pattern2 pattern3
- | Ast.DOTS(l) -> pattern3
- | _ -> failwith "circles and stars not supported")
+ ctl_or pattern_as_given (ctl_or pattern2 pattern3)
else pattern_as_given
| Ast.IfThen(ifheader,branch,aft) ->
ifthen ifheader branch aft after quantified minus_quantified
| Ast.Dots((_,i,d,_),whencodes,bef,aft) ->
let dot_code =
match d with
- Ast.MINUS(_,_) ->
- (* no need for the fresh metavar, but ... is a bit wierd as a
+ Ast.MINUS(_,_,_,_) ->
+ (* no need for the fresh metavar, but ... is a bit weird as a
variable name *)
Some(make_match (make_meta_rule_elem d ([],[],[])))
| _ -> None in
wrapper
(end_control_structure b1fvs switch_header body
after_pred (Some(ctl_ex after_pred)) None aft after label guard)
- | Ast.FunDecl(header,lbrace,decls,body,rbrace) ->
- let (hfvs,b1fvs,lbfvs,b2fvs,b3fvs,b4fvs,rbfvs) =
+ | Ast.FunDecl(header,lbrace,body,rbrace) ->
+ let (hfvs,b1fvs,lbfvs,b2fvs,b3fvs,rbfvs) =
match
seq_fvs quantified
- [Ast.get_fvs header;Ast.get_fvs lbrace;Ast.get_fvs decls;
+ [Ast.get_fvs header;Ast.get_fvs lbrace;
Ast.get_fvs body;Ast.get_fvs rbrace]
with
- [(hfvs,b1fvs);(lbfvs,b2fvs);(_,b3fvs);(_,b4fvs);(rbfvs,_)] ->
- (hfvs,b1fvs,lbfvs,b2fvs,b3fvs,b4fvs,rbfvs)
+ [(hfvs,b1fvs);(lbfvs,b2fvs);(_,b3fvs);(rbfvs,_)] ->
+ (hfvs,b1fvs,lbfvs,b2fvs,b3fvs,rbfvs)
| _ -> failwith "not possible" in
- let (mhfvs,mb1fvs,mlbfvs,mb2fvs,mb3fvs,mb4fvs,mrbfvs) =
+ let (mhfvs,mb1fvs,mlbfvs,mb2fvs,mb3fvs,mrbfvs) =
match
seq_fvs quantified
- [Ast.get_mfvs header;Ast.get_mfvs lbrace;Ast.get_mfvs decls;
+ [Ast.get_mfvs header;Ast.get_mfvs lbrace;
Ast.get_mfvs body;Ast.get_mfvs rbrace]
with
- [(hfvs,b1fvs);(lbfvs,b2fvs);(_,b3fvs);(_,b4fvs);(rbfvs,_)] ->
- (hfvs,b1fvs,lbfvs,b2fvs,b3fvs,b4fvs,rbfvs)
+ [(hfvs,b1fvs);(lbfvs,b2fvs);(_,b3fvs);(rbfvs,_)] ->
+ (hfvs,b1fvs,lbfvs,b2fvs,b3fvs,rbfvs)
| _ -> failwith "not possible" in
let function_header = quantify guard hfvs (make_match header) in
let start_brace = quantify guard lbfvs (make_match lbrace) in
let new_quantified3 =
Common.union_set b1fvs
(Common.union_set b2fvs (Common.union_set b3fvs quantified)) in
- let new_quantified4 = Common.union_set b4fvs new_quantified3 in
let new_mquantified3 =
Common.union_set mb1fvs
(Common.union_set mb2fvs
(Common.union_set mb3fvs minus_quantified)) in
- let new_mquantified4 = Common.union_set mb4fvs new_mquantified3 in
let fn_nest =
- match (Ast.undots decls,Ast.undots body,
+ match (Ast.undots body,
contains_modif rbrace or contains_pos rbrace) with
- ([],[body],false) ->
+ ([body],false) ->
(match Ast.unwrap body with
Ast.Nest(stmt_dots,[],multi,_,_) ->
if multi
statement_list stmt_dots
(* discards match on right brace, but don't need it *)
(Guard (make_seq_after end_brace after))
- new_quantified4 new_mquantified4
+ new_quantified3 new_mquantified3
None llabel slabel true guard)
| Some (Common.Right whencode) ->
(* try to be more efficient for the case where the body is just
| Ast.WhenNot(sl) ->
let x =
statement_list sl Tail
- new_quantified4 new_mquantified4
+ new_quantified3 new_mquantified3
label llabel slabel true true in
ctl_or prev x
| Ast.WhenNotTrue(_) | Ast.WhenNotFalse(_) ->
Ast.WhenAlways(s) ->
let x =
statement s Tail
- new_quantified4 new_mquantified4
+ new_quantified3 new_mquantified3
label llabel slabel true in
ctl_and prev x
| Ast.WhenNot(sl) -> prev
make_seq
[start_brace;
quantify guard b3fvs
- (statement_list decls
- (After
- (quantify guard b4fvs
- (statement_list body
- (After (make_seq_after end_brace after))
- new_quantified4 new_mquantified4
- None llabel slabel true guard)))
+ (statement_list body
+ (After (make_seq_after end_brace after))
new_quantified3 new_mquantified3 None llabel slabel
false guard)] in
quantify guard b1fvs
let asttoctl r used_after positions =
match r with
- Ast.ScriptRule _ -> []
- | Ast.CocciRule (a,b,c,_) -> asttoctlz (a,b,c) used_after positions
+ Ast.ScriptRule _ | Ast.InitialScriptRule _ | Ast.FinalScriptRule _ -> []
+ | Ast.CocciRule (a,b,c,_,Ast_cocci.Normal) ->
+ asttoctlz (a,b,c) used_after positions
+ | Ast.CocciRule (a,b,c,_,Ast_cocci.Generated) -> [CTL.True]
let pp_cocci_predicate (pred,modif) =
Pretty_print_engine.pp_predicate pred
HCoop / bpt / coccinelle.git / blobdiff