Explicit types in the generator.

[wrappi.git] / generator / wrappi_c.ml

diff --git a/generator/wrappi_c.ml b/generator/wrappi_c.ml
index f6e9afc..62fb48d 100644 (file)
--- a/generator/wrappi_c.ml
+++ b/generator/wrappi_c.ml
@@ -16,13 +16,34 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  *)
 
+open Wrappi_types
+open Wrappi_utils
 open Wrappi_pr
 open Wrappi_boilerplate
 
+open Printf
+
+let c_of_any_type = function
+  | TFilePerm -> "int"
+  | TInt32 -> "int32_t"
+  | TInt64 -> "int64_t"
+  | TPathname -> "const char *"
+  | TUInt32 -> "uint32_t"
+  | TUInt64 -> "uint64_t"
+
+let c_of_return_type = function
+  | RErr -> "int"
+  | Return t -> c_of_any_type t
+
 let generate_lib_wrappi_h api =
   generate_header CStyle LGPLv2plus;
 
   pr "\
+/* Please read the wrappi(1) man page for full documentation.  If you
+ * are not familiar with man pages or don't have the documentation
+ * installed, it is also available online at http://wrappi.org/
+ */
+
 #ifndef WRAPPI_H_
 #define WRAPPI_H_
 
@@ -30,10 +51,32 @@ let generate_lib_wrappi_h api =
 extern \"C\" {
 #endif
 
-";
+#include <stdint.h>
+
+/* The handle. */
+typedef struct wrap_h wrap_h;
 
+/* Connection management. */
+extern wrap_h *wrap_create (void);
+extern void wrap_close (wrap_h *w);
 
+/* API entry points. */
+";
 
+  List.iter (
+    fun ep ->
+      pr "extern %s wrap_%s (wrap_h *w, %s);\n"
+        (c_of_return_type ep.ep_return)
+        ep.ep_name
+        (String.concat ", "
+           (List.map (
+             fun (name, t) ->
+               let t = c_of_any_type t in
+               let last_char = t.[String.length t - 1] in
+               let sep = if isalnum last_char then " " else "" in
+               sprintf "%s%s%s" t sep name
+            ) ep.ep_params))
+  ) api.api_entry_points;
 
   pr "\