The SmPL AST visitor has a function for attributes. Reflect these
changes in unify_ast.ml. Also add a few fixes w/r/t the usage of
for_all2 for comparing attributes.

Signed-off-by: Jaskaran Singh <[email protected]>
---
 parsing_cocci/unify_ast.ml | 20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)

diff --git a/parsing_cocci/unify_ast.ml b/parsing_cocci/unify_ast.ml
index 90cb70ee..98e2ab1d 100644
--- a/parsing_cocci/unify_ast.ml
+++ b/parsing_cocci/unify_ast.ml
@@ -221,7 +221,8 @@ and unify_expression e1 e2 =
   | (Ast.RecordPtAccess(e1,pt1,fld1),Ast.RecordPtAccess(e2,pt2,fld2)) ->
       unify_expression e1 e2 && unify_ident fld1 fld2
   | (Ast.Cast(lp1,ty1,attr1,rp1,e1),Ast.Cast(lp2,ty2,attr2,rp2,e2)) ->
-      if List.for_all2 unify_attribute attr1 attr2
+      if (List.length attr1 = List.length attr2) &&
+         List.for_all2 unify_attribute attr1 attr2
       then unify_fullType ty1 ty2 && unify_expression e1 e2
       else false
   | (Ast.SizeOfExpr(szf1,e1),Ast.SizeOfExpr(szf2,e2)) ->
@@ -386,6 +387,7 @@ and unify_declaration d1 d2 =
   | (Ast.Init(stg1,ft1,id1,attr1,eq1,i1,s1),
      Ast.Init(stg2,ft2,id2,attr2,eq2,i2,s2)) ->
       if bool_unify_option unify_mcode stg1 stg2 &&
+         (List.length attr1 = List.length attr2) &&
          List.for_all2 unify_attribute attr1 attr2
       then
        unify_fullType ft1 ft2 &&
@@ -394,6 +396,7 @@ and unify_declaration d1 d2 =
       else false
   | (Ast.UnInit(stg1,ft1,id1,attr1,s1),Ast.UnInit(stg2,ft2,id2,attr2,s2)) ->
       if bool_unify_option unify_mcode stg1 stg2 &&
+         (List.length attr1 = List.length attr2) &&
          List.for_all2 unify_attribute attr1 attr2
       then unify_fullType ft1 ft2 && unify_ident id1 id2
       else false
@@ -414,6 +417,7 @@ and unify_declaration d1 d2 =
   | (Ast.MacroDecl(s1,n1,lp1,args1,rp1,attr1,sem1),
      Ast.MacroDecl(s2,n2,lp2,args2,rp2,attr2,sem2)) ->
        if bool_unify_option unify_mcode s1 s2 &&
+         (List.length attr1 = List.length attr2) &&
          List.for_all2 unify_attribute attr1 attr2
        then
         unify_ident n1 n2 &&
@@ -428,7 +432,8 @@ and unify_declaration d1 d2 =
         unify_initialiser ini1 ini2
        else false
   | (Ast.TyDecl(ft1,attr1,s1),Ast.TyDecl(ft2,attr2,s2)) ->
-      if List.for_all2 unify_attribute attr1 attr2
+      if (List.length attr1 = List.length attr2) &&
+         List.for_all2 unify_attribute attr1 attr2
       then unify_fullType ft1 ft2
       else false
   | (Ast.Typedef(stg1,ft1,id1,s1),Ast.Typedef(stg2,ft2,id2,s2)) ->
@@ -549,12 +554,13 @@ and unify_designator d1 d2 =
 and unify_parameterTypeDef p1 p2 =
   match (Ast.unwrap p1,Ast.unwrap p2) with
     (Ast.VoidParam(ft1,attr1),Ast.VoidParam(ft2,attr2)) ->
-      if List.for_all2 unify_attribute attr1 attr2
+      if (List.length attr1 = List.length attr2) &&
+         List.for_all2 unify_attribute attr1 attr2
       then unify_fullType ft1 ft2
       else false
   | (Ast.Param(ft1,i1,attr1),Ast.Param(ft2,i2,attr2)) ->
-
-      if List.for_all2 unify_attribute attr1 attr2
+      if (List.length attr1 = List.length attr2) &&
+         List.for_all2 unify_attribute attr1 attr2
       then
         unify_fullType ft1 ft2 &&
         unify_option unify_ident i1 i2
@@ -740,7 +746,7 @@ and subexp f =
       donothing expr
       donothing donothing donothing donothing donothing donothing donothing
       donothing donothing donothing donothing donothing donothing donothing
-      donothing donothing donothing donothing donothing in
+      donothing donothing donothing donothing donothing donothing in
   recursor.V.combiner_rule_elem
 
 and subtype f =
@@ -756,7 +762,7 @@ and subtype f =
       donothing donothing donothing donothing donothing donothing fullType
       donothing donothing donothing donothing donothing donothing
       donothing donothing donothing donothing donothing donothing
-      donothing donothing in
+      donothing donothing donothing in
   recursor.V.combiner_rule_elem
 
 let rec unify_statement s1 s2 =
-- 
2.21.3

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