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7e386bbc70
* libguile/intrinsics.h (u64->scm, s64->scm): New intrinsics. * libguile/intrinsics.c (scm_bootstrap_intrinsics): Initialize new intrinsics. * libguile/vm-engine.c (call-scm<-u64, call-scm<-s64): New intrinsic callers. (u64->scm, s64->scm): Disable instructions. * module/language/cps/reify-primitives.scm (compute-known-primitives): Add new intrinsics as macro-instructions. * module/system/vm/assembler.scm (define-scm<-u64-intrinsic): (define-scm<-s64-intrinsic, u64->scm, s64->scm): Wire up new intrinsics.
128 lines
3.6 KiB
C
128 lines
3.6 KiB
C
/* Copyright (C) 2018 Free Software Foundation, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 3 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*/
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#if HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "_scm.h"
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#include "intrinsics.h"
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struct scm_vm_intrinsics scm_vm_intrinsics;
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SCM_DEFINE (scm_intrinsic_list, "intrinsic-list", 0, 0, 0,
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(void),
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"")
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#define FUNC_NAME s_scm_intrinsic_list
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{
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SCM list = SCM_EOL;
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#define ADD_INTRINSIC(type, id, name, ID) \
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if (name) \
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list = scm_acons (scm_from_latin1_symbol (name), \
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scm_from_int (SCM_VM_INTRINSIC_##ID), \
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list);
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SCM_FOR_ALL_VM_INTRINSICS (ADD_INTRINSIC);
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#undef ADD_INTRINSIC
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return list;
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}
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#undef FUNC_NAME
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static SCM
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add_immediate (SCM a, scm_t_uint8 b)
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{
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return scm_sum (a, scm_from_uint8 (b));
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}
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static SCM
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sub_immediate (SCM a, scm_t_uint8 b)
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{
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return scm_difference (a, scm_from_uint8 (b));
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}
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static void
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string_set_x (SCM str, scm_t_uint64 idx, scm_t_uint64 ch)
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{
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str = scm_i_string_start_writing (str);
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scm_i_string_set_x (str, idx, ch);
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scm_i_string_stop_writing ();
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}
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static SCM
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string_to_number (SCM str)
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{
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return scm_string_to_number (str, SCM_UNDEFINED /* radix = 10 */);
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}
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static scm_t_uint64
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scm_to_uint64_truncate (SCM x)
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{
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if (SCM_I_INUMP (x))
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return (scm_t_uint64) SCM_I_INUM (x);
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else
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return scm_to_uint64 (scm_logand (x, scm_from_uint64 ((scm_t_uint64) -1)));
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}
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void
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scm_bootstrap_intrinsics (void)
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{
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scm_vm_intrinsics.add = scm_sum;
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scm_vm_intrinsics.add_immediate = add_immediate;
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scm_vm_intrinsics.sub = scm_difference;
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scm_vm_intrinsics.sub_immediate = sub_immediate;
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scm_vm_intrinsics.mul = scm_product;
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scm_vm_intrinsics.div = scm_divide;
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scm_vm_intrinsics.quo = scm_quotient;
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scm_vm_intrinsics.rem = scm_remainder;
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scm_vm_intrinsics.mod = scm_modulo;
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scm_vm_intrinsics.logand = scm_logand;
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scm_vm_intrinsics.logior = scm_logior;
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scm_vm_intrinsics.logxor = scm_logxor;
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scm_vm_intrinsics.string_set_x = string_set_x;
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scm_vm_intrinsics.string_to_number = string_to_number;
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scm_vm_intrinsics.string_to_symbol = scm_string_to_symbol;
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scm_vm_intrinsics.symbol_to_keyword = scm_symbol_to_keyword;
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scm_vm_intrinsics.class_of = scm_class_of;
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scm_vm_intrinsics.scm_to_f64 = scm_to_double;
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scm_vm_intrinsics.scm_to_u64 = scm_to_uint64;
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scm_vm_intrinsics.scm_to_u64_truncate = scm_to_uint64_truncate;
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scm_vm_intrinsics.scm_to_s64 = scm_to_int64;
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scm_vm_intrinsics.u64_to_scm = scm_from_uint64;
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scm_vm_intrinsics.s64_to_scm = scm_from_int64;
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scm_c_register_extension ("libguile-" SCM_EFFECTIVE_VERSION,
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"scm_init_intrinsics",
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(scm_t_extension_init_func)scm_init_intrinsics,
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NULL);
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}
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void
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scm_init_intrinsics (void)
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{
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#ifndef SCM_MAGIC_SNARFER
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#include "libguile/intrinsics.x"
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#endif
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}
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/*
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Local Variables:
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c-file-style: "gnu"
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End:
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*/
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