diff options
Diffstat (limited to 'cfrontend/Csyntax.v')
-rw-r--r-- | cfrontend/Csyntax.v | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/cfrontend/Csyntax.v b/cfrontend/Csyntax.v index 979d0bca..f9463e65 100644 --- a/cfrontend/Csyntax.v +++ b/cfrontend/Csyntax.v @@ -29,8 +29,9 @@ Inductive type : Set := | Tpointer: type -> type | Tarray: type -> Z -> type | Tfunction: typelist -> type -> type - | Tstruct: fieldlist -> type - | Tunion: fieldlist -> type + | Tstruct: ident -> fieldlist -> type + | Tunion: ident ->fieldlist -> type + | Tcomp_ptr: ident -> type with typelist : Set := | Tnil: typelist @@ -164,8 +165,9 @@ Fixpoint alignof (t: type) : Z := | Tpointer _ => 4 | Tarray t' n => alignof t' | Tfunction _ _ => 1 - | Tstruct fld => alignof_fields fld - | Tunion fld => alignof_fields fld + | Tstruct _ fld => alignof_fields fld + | Tunion _ fld => alignof_fields fld + | Tcomp_ptr _ => 4 end with alignof_fields (f: fieldlist) : Z := @@ -208,8 +210,9 @@ Fixpoint sizeof (t: type) : Z := | Tpointer _ => 4 | Tarray t' n => sizeof t' * Zmax 1 n | Tfunction _ _ => 1 - | Tstruct fld => align (Zmax 1 (sizeof_struct fld 0)) (alignof t) - | Tunion fld => align (Zmax 1 (sizeof_union fld)) (alignof t) + | Tstruct _ fld => align (Zmax 1 (sizeof_struct fld 0)) (alignof t) + | Tunion _ fld => align (Zmax 1 (sizeof_union fld)) (alignof t) + | Tcomp_ptr _ => 4 end with sizeof_struct (fld: fieldlist) (pos: Z) {struct fld} : Z := @@ -285,8 +288,9 @@ Definition access_mode (ty: type) : mode := | Tpointer _ => By_value Mint32 | Tarray _ _ => By_reference | Tfunction _ _ => By_reference - | Tstruct fList => By_nothing - | Tunion fList => By_nothing + | Tstruct _ fList => By_nothing + | Tunion _ fList => By_nothing + | Tcomp_ptr _ => By_value Mint32 end. (** Classification of arithmetic operations and comparisons *) |