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ocamlcc-apply-none.c
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ocamlcc-apply-none.c
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/*************************************************************************/
/* */
/* OCamlCC */
/* */
/* Michel Mauny, Benoit Vaugon */
/* ENSTA ParisTech */
/* */
/* This file is distributed under the terms of the CeCILL license. */
/* See file ../LICENSE-en. */
/* */
/*************************************************************************/
#ifdef OCAMLCC_ARCH_NONE
#include <stdio.h>
#include <stdlib.h>
#include <mlvalues.h>
#include <memory.h>
#include <stacks.h>
/***/
typedef value (*ocamlcc_fun)(value arg1);
/***/
value ocamlcc_global_params[OCAMLCC_MAXIMUM_ARITY - 1];
value ocamlcc_global_special_arg1;
value ocamlcc_global_arg_nb_val;
value ocamlcc_global_closure;
value ocamlcc_global_env;
/***/
value ocamlcc_generic_apply(value arg1) {
value arg_nb_val = ocamlcc_global_arg_nb_val;
value closure = ocamlcc_global_closure;
value arity_val = Field(closure, 1);
long arity = Long_val(arity_val);
long arg_nb = Long_val(arg_nb_val);
if (arity_val == arg_nb_val) {
ocamlcc_global_env = closure;
return ((ocamlcc_fun) Field(closure, 0))(arg1);
} else if (Is_block(arity_val)) {
value sub_closure = arity_val;
long sub_arity = Long_val(Field(sub_closure, 1));
long nb_already_passed = Wosize_val(closure) - 1;
long total_passed = nb_already_passed + arg_nb;
if (total_passed == sub_arity) {
long i;
for (i = arg_nb - 2 ; i >= 0 ; i --)
ocamlcc_global_params[i + nb_already_passed] =
ocamlcc_global_params[i];
ocamlcc_global_params[nb_already_passed - 1] = arg1;
for (i = nb_already_passed - 2 ; i >= 0 ; i --)
ocamlcc_global_params[i] = Field(closure, i + 2);
ocamlcc_global_env = sub_closure;
return
((ocamlcc_fun) Field(sub_closure, 0))(Field(closure, 0));
} else if (total_passed < sub_arity) {
long i;
value new_closure;
Ocamlcc_alloc_small(new_closure, total_passed + 1, Closure_tag,
*--caml_extern_sp = closure;
*--caml_extern_sp = arg1;
for (i = 0 ; i < arg_nb - 1 ; i ++)
*--caml_extern_sp = ocamlcc_global_params[i];
,
for (i = arg_nb - 2 ; i >= 0 ; i --)
ocamlcc_global_params[i] = *caml_extern_sp++;
arg1 = *caml_extern_sp++;
closure = *caml_extern_sp++;
);
for (i = 0 ; i <= nb_already_passed ; i ++)
Field(new_closure, i) = Field(closure, i);
Field(new_closure, nb_already_passed + 1) = arg1;
for (i = 0 ; i < arg_nb - 1 ; i ++)
Field(new_closure, nb_already_passed + i + 2) =
ocamlcc_global_params[i];
return new_closure;
} else {
*--caml_extern_sp = ocamlcc_global_params[arg_nb - 2];
ocamlcc_global_arg_nb_val = Val_long(arg_nb - 1);
ocamlcc_global_closure = closure;
ocamlcc_global_closure = ocamlcc_generic_apply(arg1);
ocamlcc_global_arg_nb_val = Val_long(1);
return ocamlcc_generic_apply(*caml_extern_sp++);
}
} else if (arg_nb_val < arity_val) {
long i;
value new_closure;
Ocamlcc_alloc_small(new_closure, arg_nb + 1, Closure_tag,
*--caml_extern_sp = arg1;
*--caml_extern_sp = closure;
for (i = 0 ; i < arg_nb - 1 ; i ++)
*--caml_extern_sp = ocamlcc_global_params[i];
,
for (i = arg_nb - 2 ; i >= 0 ; i --)
ocamlcc_global_params[i] = *caml_extern_sp++;
closure = *caml_extern_sp++;
arg1 = *caml_extern_sp++;
);
Field(new_closure, 0) = arg1;
Field(new_closure, 1) = closure;
for (i = 0 ; i < arg_nb - 1 ; i ++)
Field(new_closure, i + 2) = ocamlcc_global_params[i];
return new_closure;
} else {
long i;
for (i = arity - 1 ; i < arg_nb - 1 ; i ++)
*--caml_extern_sp = ocamlcc_global_params[i];
ocamlcc_global_env = closure;
ocamlcc_global_closure = ((ocamlcc_fun) Field(closure, 0))(arg1);
for (i = arg_nb - arity - 2 ; i >= 0 ; i --)
ocamlcc_global_params[i] = *caml_extern_sp++;
ocamlcc_global_arg_nb_val = Val_long(arg_nb - arity);
return ocamlcc_generic_apply(*caml_extern_sp++);
}
}
/***/
value ocamlcc_apply_gen(value closure, long nargs, value args[]) {
long i;
if(nargs > OCAMLCC_MAXIMUM_ARITY) {
fprintf(stderr, "Error: invalid callback arity\n");
exit(1);
}
for(i = 1 ; i < nargs ; i ++)
ocamlcc_global_params[i - 1] = args[i];
ocamlcc_global_arg_nb_val = Val_long(nargs);
ocamlcc_global_closure = closure;
return ocamlcc_generic_apply(args[0]);
}
/***/
#define ocamlcc_dynamic_apply(nargs, cfun_nargs, curr_fsz, next_fsz, \
dst, env, arg1, rest...) { \
ocamlcc_apply_init_stack(curr_fsz, next_fsz); \
ocamlcc_store_args_##nargs(rest); \
ocamlcc_global_arg_nb_val = Val_long(nargs); \
ocamlcc_global_closure = env; \
dst ocamlcc_generic_apply(arg1); \
ocamlcc_apply_restore_stack(next_fsz); \
}
#define ocamlcc_partial_apply(nargs, cfun_nargs, curr_fsz, next_fsz, \
dst, env, arg1, rest...) \
ocamlcc_dynamic_apply(nargs, cfun_nargs, curr_fsz, next_fsz, dst, \
env, arg1, rest)
#define ocamlcc_static_apply(nargs, cfun_nargs, curr_fsz, next_fsz, \
dst, f, env, arg1, rest...) { \
ocamlcc_apply_init_stack(curr_fsz, next_fsz); \
ocamlcc_store_args_##nargs(rest); \
ocamlcc_global_env = env; \
dst f(arg1); \
ocamlcc_apply_restore_stack(next_fsz); \
}
#define ocamlcc_static_notc_apply(nargs, cfun_nargs, curr_fsz, next_fsz, \
dst, f, env, arg1, rest...) \
ocamlcc_static_apply(nargs, cfun_nargs, curr_fsz, next_fsz, dst, f, \
env, arg1, rest)
/***/
#define ocamlcc_dynamic_standard_appterm(nargs, cfun_nargs, curr_fsz, \
env, arg1, rest...) { \
OffsetSp(0); \
ocamlcc_store_args_##nargs(rest); \
ocamlcc_global_arg_nb_val = Val_long(nargs); \
ocamlcc_global_closure = env; \
return ocamlcc_generic_apply(arg1); \
}
#define ocamlcc_partial_standard_appterm(nargs, cfun_nargs, curr_fsz, \
env, arg1, rest...) \
ocamlcc_dynamic_standard_appterm(nargs, cfun_nargs, curr_fsz, env, arg1, rest)
#define ocamlcc_static_standard_appterm(nargs, cfun_nargs, f, env, \
arg1, rest...) { \
OffsetSp(0); \
ocamlcc_store_args_##nargs(rest); \
ocamlcc_global_env = env; \
return f(arg1); \
}
/***/
#define ocamlcc_dynamic_special_appterm(nargs, cfun_nargs, curr_fsz, \
env, arg1, rest...) \
ocamlcc_dynamic_standard_appterm(nargs, cfun_nargs, curr_fsz, env, arg1, rest)
#define ocamlcc_partial_special_appterm(nargs, cfun_nargs, curr_fsz, \
env, arg1, rest...) \
ocamlcc_dynamic_special_appterm(nargs, cfun_nargs, curr_fsz, env, arg1, rest)
#define ocamlcc_static_special_appterm(nargs, cfun_nargs, f, env, \
arg1, rest...) \
ocamlcc_static_standard_appterm(nargs, cfun_nargs, f, env, arg1, rest)
/***/
#ifdef OCAMLCC_EXCEPTION_SETJMP
#define ocamlcc_special_special_appterm(nargs, cfun_nargs, curr_fsz, \
env, arg1, rest...) { \
OffsetSp(0); \
ocamlcc_store_args_##nargs(rest); \
ocamlcc_global_arg_nb_val = Val_long(nargs); \
ocamlcc_global_closure = env; \
ocamlcc_global_special_arg1 = arg1; \
return (value) NULL; \
}
#define OCAMLCC_SPECIAL_TAIL_CALL_HEADER(id) \
value f##id##_body(value p0); \
value ocamlcc_stc_result = f##id##_body(p0); \
if (ocamlcc_stc_result == (value) NULL) { \
return ocamlcc_generic_apply(ocamlcc_global_special_arg1); \
} else { \
return ocamlcc_stc_result; \
} \
} \
value f##id##_body(value p0) {
#else /* OCAMLCC_EXCEPTION_SETJMP */
#define ocamlcc_special_special_appterm(nargs, cfun_nargs, curr_fsz, \
env, arg1, rest...) \
ocamlcc_dynamic_special_appterm(nargs, cfun_nargs, curr_fsz, env, arg1, rest)
#define OCAMLCC_SPECIAL_TAIL_CALL_HEADER(id)
#endif /* OCAMLCC_EXCEPTION_SETJMP */
#endif /* OCAMLCC_ARCH_NONE */