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Creation du module primitive 

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@160 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
master
Xavier Leroy 1995-07-27 17:47:52 +00:00
parent 91fb4a2162
commit 6d211f7692
2 changed files with 55 additions and 0 deletions
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44
typing/primitive.ml Normal file
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(* Description of primitive functions *)
open Format
type description =
{ prim_name: string; (* Name of primitive or C function *)
prim_arity: int; (* Number of arguments *)
prim_alloc: bool; (* Does it allocates or raise? *)
prim_native_name: string; (* Name of C function for the nat. code gen. *)
prim_native_float: bool } (* Does the above operate on unboxed floats? *)
let parse_declaration arity decl =
match decl with
name :: "noalloc" :: name2 :: "float" :: _ ->
Some{prim_name = name; prim_arity = arity; prim_alloc = false;
prim_native_name = name2; prim_native_float = true}
| name :: "noalloc" :: name2 :: _ ->
Some{prim_name = name; prim_arity = arity; prim_alloc = false;
prim_native_name = name2; prim_native_float = false}
| name :: name2 :: "float" :: _ ->
Some{prim_name = name; prim_arity = arity; prim_alloc = true;
prim_native_name = name2; prim_native_float = true}
| name :: "noalloc" :: _ ->
Some{prim_name = name; prim_arity = arity; prim_alloc = false;
prim_native_name = ""; prim_native_float = false}
| name :: name2 :: _ ->
Some{prim_name = name; prim_arity = arity; prim_alloc = true;
prim_native_name = name2; prim_native_float = false}
| name :: _ ->
Some{prim_name = name; prim_arity = arity; prim_alloc = true;
prim_native_name = ""; prim_native_float = false}
| [] ->
None
let print_quoted s = print_char '"'; print_string s; print_char '"'
let print_description p =
print_quoted p.prim_name;
if not p.prim_alloc then
(print_space(); print_quoted "noalloc");
if p.prim_native_name <> "" then
(print_space(); print_quoted p.prim_native_name);
if p.prim_native_float then
(print_space(); print_quoted "float")

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typing/primitive.mli Normal file
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(* Description of primitive functions *)
type description =
{ prim_name: string; (* Name of primitive or C function *)
prim_arity: int; (* Number of arguments *)
prim_alloc: bool; (* Does it allocates or raise? *)
prim_native_name: string; (* Name of C function for the nat. code gen. *)
prim_native_float: bool } (* Does the above operate on unboxed floats? *)
val parse_declaration: int -> string list -> description option
val print_description: description -> unit