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authorBernhard Schommer <bernhardschommer@gmail.com>2016-12-07 16:03:17 +0100
committerBernhard Schommer <bernhardschommer@gmail.com>2016-12-07 16:03:17 +0100
commit0c73ba202a910d5ab2ae900a56264fc1534f0214 (patch)
tree0e7fe704111bec0404916c3b88d02138fadc9b32 /cparser/Env.ml
parent680444f180c750078a77b0591cd5c19e632612d6 (diff)
downloadcompcert-kvx-0c73ba202a910d5ab2ae900a56264fc1534f0214.tar.gz
compcert-kvx-0c73ba202a910d5ab2ae900a56264fc1534f0214.zip
Next try for support of anonymous structs.
Instead of using idents the anonymous fileds get names of the for <anon>_c where c is a counter of all anonymous members. Bug 20003
Diffstat (limited to 'cparser/Env.ml')
-rw-r--r--cparser/Env.ml30
1 files changed, 26 insertions, 4 deletions
diff --git a/cparser/Env.ml b/cparser/Env.ml
index b2a4e21c..5fa4571a 100644
--- a/cparser/Env.ml
+++ b/cparser/Env.ml
@@ -181,20 +181,42 @@ let find_union env id =
with Not_found ->
raise(Error(Unbound_tag(id.name, "union")))
-let find_member ci m =
- List.find (fun f -> f.fld_name = m) ci
+
+let tag_id = function
+ | TStruct (id,_)
+ | TUnion (id,_) -> id
+ | _ -> assert false (* should be checked before *)
+
+let find_member env ci m =
+ let rec member acc = function
+ | [] -> raise Not_found
+ | f::rest -> if f.fld_name = m then
+ f::acc
+ else if f.fld_anonymous then
+ try
+ tag acc f
+ with Not_found ->
+ member acc rest
+ else
+ member acc rest
+ and tag acc fld =
+ let id = tag_id fld.fld_typ in
+ let ci = IdentMap.find id env.env_tag in
+ member (fld::acc) ci.ci_members
+ in
+ member [] ci
let find_struct_member env (id, m) =
try
let ci = find_struct env id in
- find_member ci.ci_members m
+ find_member env ci.ci_members m
with Not_found ->
raise(Error(No_member(id.name, "struct", m)))
let find_union_member env (id, m) =
try
let ci = find_union env id in
- find_member ci.ci_members m
+ find_member env ci.ci_members m
with Not_found ->
raise(Error(No_member(id.name, "union", m)))