abi.c

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/* -*- C -*-
 * Serene programming language
 * Copyright (C) 2019-2026 Sameer Rahmani <[email protected]>
 *
 * This library is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library.  If not, see <https://www.gnu.org/licenses/>.
 */
 
#include "serene/rt/abi.h"
 
#include "serene/rt/closures.h"
#include "serene/rt/context.h"
#include "serene/rt/core.h"
#include "serene/utils.h"
 
srn_value_t *srn_apply_c(srn_context_t *ctx, srn_value_t *fn, srn_value_t *argv, uint32_t argc) {
  if (IS_A(fn, VClosure)) {
    PANIC_WITH_CTX(ctx, "apply: not a function");
  }
  srn_closure_t *cl = AS_CLOSURE(fn);
  if (cl == nullptr) {
    PANIC_WITH_CTX(ctx, "Not a closure value");
  }
  srn_fnptr_t fnptr = cl->fn;
  // Internal fn type is (srn_context_t*, srn_value_t**, u32) -> srn_value_t*
  // using fastcc in IR, but here it's just a plain function pointer; call
  // through.
  return fnptr(ctx, argv, argc);
}
 
srn_value_t *srn_call_cprimitive(srn_context_t *ctx, srn_cprim_fn_t f, srn_value_t *argv,
                                 uint32_t argc) {
  return f(ctx, argv, argc);
}
 
srn_value_t *srn_call0(srn_context_t *ctx, srn_value_t *fun) {
  return srn_apply_c(ctx, fun, nullptr, 0);
}
srn_value_t *srn_call1(srn_context_t *ctx, srn_value_t *fun, srn_value_t *a0) {
  srn_value_t *argv[1] = {a0};
  return srn_apply_c(ctx, fun, (srn_value_t *)argv, 1);
}
srn_value_t *srn_call2(srn_context_t *ctx, srn_value_t *fun, srn_value_t *a0, srn_value_t *a1) {
  srn_value_t *argv[2] = {a0, a1};
  return srn_apply_c(ctx, fun, (srn_value_t *)argv, 2);
}