1015 lines
25 KiB
C
1015 lines
25 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
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* GNU Mes --- Maxwell Equations of Software
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* Copyright © 2016,2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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*
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* This file is part of GNU Mes.
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*
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* GNU Mes is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* GNU Mes 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
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*/
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#define MES_MINI 1
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//#define HAVE_UNION 1
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#if POSIX
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#error "POSIX not supported"
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#endif
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#include <libmes.h>
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#include <stdio.h>
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#include <assert.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <string.h>
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int ARENA_SIZE = 200000; // 32b: 2MiB, 64b: 4 MiB
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int MAX_ARENA_SIZE = 300000000;
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long STACK_SIZE = 20000;
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int JAM_SIZE = 20000;
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int GC_SAFETY = 2000;
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char *g_arena = 0;
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typedef long SCM;
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int g_debug = 0;
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int g_free = 0;
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SCM g_continuations = 0;
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SCM g_symbols = 0;
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SCM g_macros = 0;
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SCM g_ports = 0;
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SCM g_stack = 0;
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SCM *g_stack_array = 0;
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// a/env
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SCM r0 = 0;
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// param 1
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SCM r1 = 0;
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// save 2+load/dump
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SCM r2 = 0;
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// continuation
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SCM r3 = 0;
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enum type_t {TCHAR, TCLOSURE, TCONTINUATION, TFUNCTION, TKEYWORD, TMACRO, TNUMBER, TPAIR, TPORT, TREF, TSPECIAL, TSTRING, TSTRUCT, TSYMBOL, TVALUES, TVARIABLE, TVECTOR, TBROKEN_HEART};
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struct scm {
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enum type_t type;
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SCM car;
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SCM cdr;
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};
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struct function {
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int (*function) (void);
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int arity;
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char *name;
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};
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#if __MESC__
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//FIXME
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char *foobar = 0;
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struct scm *g_cells = foobar;
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struct scm *g_news = foobar;
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#else
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struct scm *g_cells = 0;
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struct scm *g_news = 0;
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#endif
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struct scm scm_nil = {TSPECIAL, "()",0};
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struct scm scm_f = {TSPECIAL, "#f",0};
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struct scm scm_t = {TSPECIAL, "#t",0};
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struct scm scm_dot = {TSPECIAL, ".",0};
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struct scm scm_arrow = {TSPECIAL, "=>",0};
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struct scm scm_undefined = {TSPECIAL, "*undefined*",0};
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struct scm scm_unspecified = {TSPECIAL, "*unspecified*",0};
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struct scm scm_closure = {TSPECIAL, "*closure*",0};
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struct scm scm_circular = {TSPECIAL, "*circular*",0};
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struct scm scm_begin = {TSPECIAL, "*begin*",0};
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struct scm scm_symbol_dot = {TSYMBOL, "*dot*",0};
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struct scm scm_symbol_lambda = {TSYMBOL, "lambda",0};
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struct scm scm_symbol_begin = {TSYMBOL, "begin",0};
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struct scm scm_symbol_if = {TSYMBOL, "if",0};
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struct scm scm_symbol_quote = {TSYMBOL, "quote",0};
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struct scm scm_symbol_define = {TSYMBOL, "define",0};
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struct scm scm_symbol_define_macro = {TSYMBOL, "define-macro",0};
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struct scm scm_symbol_quasiquote = {TSYMBOL, "quasiquote", 0};
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struct scm scm_symbol_unquote = {TSYMBOL, "unquote", 0};
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struct scm scm_symbol_unquote_splicing = {TSYMBOL, "unquote-splicing", 0};
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struct scm scm_symbol_syntax = {TSYMBOL, "syntax",0};
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struct scm scm_symbol_quasisyntax = {TSYMBOL, "quasisyntax", 0};
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struct scm scm_symbol_unsyntax = {TSYMBOL, "unsyntax", 0};
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struct scm scm_symbol_unsyntax_splicing = {TSYMBOL, "unsyntax-splicing", 0};
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struct scm scm_symbol_set_x = {TSYMBOL, "set!",0};
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struct scm scm_symbol_sc_expand = {TSYMBOL, "sc-expand",0};
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struct scm scm_symbol_macro_expand = {TSYMBOL, "macro-expand",0};
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struct scm scm_symbol_portable_macro_expand = {TSYMBOL, "portable-macro-expand",0};
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struct scm scm_symbol_sc_expander_alist = {TSYMBOL, "*sc-expander-alist*",0};
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struct scm scm_symbol_call_with_values = {TSYMBOL, "call-with-values",0};
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struct scm scm_call_with_current_continuation = {TSPECIAL, "*call/cc*",0};
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struct scm scm_symbol_call_with_current_continuation = {TSYMBOL, "call-with-current-continuation",0};
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struct scm scm_symbol_boot_module = {TSYMBOL, "boot-module",0};
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struct scm scm_symbol_current_module = {TSYMBOL, "current-module",0};
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struct scm scm_symbol_primitive_load = {TSYMBOL, "primitive-load",0};
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struct scm scm_symbol_read_input_file = {TSYMBOL, "read-input-file",0};
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struct scm scm_symbol_write = {TSYMBOL, "write",0};
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struct scm scm_symbol_display = {TSYMBOL, "display",0};
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struct scm scm_symbol_throw = {TSYMBOL, "throw",0};
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struct scm scm_symbol_not_a_number = {TSYMBOL, "not-a-number",0};
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struct scm scm_symbol_not_a_pair = {TSYMBOL, "not-a-pair",0};
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struct scm scm_symbol_system_error = {TSYMBOL, "system-error",0};
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struct scm scm_symbol_wrong_number_of_args = {TSYMBOL, "wrong-number-of-args",0};
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struct scm scm_symbol_wrong_type_arg = {TSYMBOL, "wrong-type-arg",0};
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struct scm scm_symbol_unbound_variable = {TSYMBOL, "unbound-variable",0};
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struct scm scm_symbol_argv = {TSYMBOL, "%argv",0};
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struct scm scm_symbol_mes_prefix = {TSYMBOL, "%prefix",0};
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struct scm scm_symbol_mes_version = {TSYMBOL, "%version",0};
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struct scm scm_symbol_car = {TSYMBOL, "car",0};
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struct scm scm_symbol_cdr = {TSYMBOL, "cdr",0};
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struct scm scm_symbol_pmatch_car = {TSYMBOL, "pmatch-car",0};
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struct scm scm_symbol_pmatch_cdr = {TSYMBOL, "pmatch-cdr",0};
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struct scm scm_vm_evlis = {TSPECIAL, "*vm-evlis*",0};
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struct scm scm_vm_evlis2 = {TSPECIAL, "*vm-evlis2*",0};
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struct scm scm_vm_evlis3 = {TSPECIAL, "*vm-evlis3*",0};
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struct scm scm_vm_apply = {TSPECIAL, "core:apply",0};
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struct scm scm_vm_apply2 = {TSPECIAL, "*vm-apply2*",0};
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struct scm scm_vm_eval = {TSPECIAL, "core:eval-sexp",0};
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struct scm scm_vm_eval_pmatch_car = {TSPECIAL, "*vm-eval-pmatch-car*",0};
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struct scm scm_vm_eval_pmatch_cdr = {TSPECIAL, "*vm-eval-pmatch-cdr*",0};
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struct scm scm_vm_eval_define = {TSPECIAL, "*vm-eval-define*",0};
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struct scm scm_vm_eval_set_x = {TSPECIAL, "*vm-eval-set!*",0};
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struct scm scm_vm_eval_macro_expand_eval = {TSPECIAL, "*vm:eval-macro-expand-eval*",0};
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struct scm scm_vm_eval_macro_expand_expand = {TSPECIAL, "*vm:eval-macro-expand-expand*",0};
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struct scm scm_vm_eval_check_func = {TSPECIAL, "*vm-eval-check-func*",0};
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struct scm scm_vm_eval2 = {TSPECIAL, "*vm-eval2*",0};
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struct scm scm_vm_macro_expand = {TSPECIAL, "core:macro-expand",0};
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struct scm scm_vm_macro_expand_define = {TSPECIAL, "*vm:core:macro-expand-define*",0};
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struct scm scm_vm_macro_expand_define_macro = {TSPECIAL, "*vm:core:macro-expand-define-macro*",0};
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struct scm scm_vm_macro_expand_lambda = {TSPECIAL, "*vm:core:macro-expand-lambda*",0};
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struct scm scm_vm_macro_expand_set_x = {TSPECIAL, "*vm:core:macro-expand-set!*",0};
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struct scm scm_vm_begin_expand_primitive_load = {TSPECIAL, "*vm:core:begin-expand-primitive-load*",0};
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struct scm scm_vm_begin_primitive_load = {TSPECIAL, "*vm:core:begin-primitive-load*",0};
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struct scm scm_vm_macro_expand_car = {TSPECIAL, "*vm:core:macro-expand-car*",0};
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struct scm scm_vm_macro_expand_cdr = {TSPECIAL, "*vm:macro-expand-cdr*",0};
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struct scm scm_vm_begin_expand = {TSPECIAL, "core:eval",0};
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struct scm scm_vm_begin_expand_eval = {TSPECIAL, "*vm:begin-expand-eval*",0};
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struct scm scm_vm_begin_expand_macro = {TSPECIAL, "*vm:begin-expand-macro*",0};
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struct scm scm_vm_begin = {TSPECIAL, "*vm-begin*",0};
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struct scm scm_vm_begin_read_input_file = {TSPECIAL, "*vm-begin-read-input-file*",0};
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struct scm scm_vm_begin_eval = {TSPECIAL, "*vm:begin-eval*",0};
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struct scm scm_vm_if = {TSPECIAL, "*vm-if*",0};
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struct scm scm_vm_if_expr = {TSPECIAL, "*vm-if-expr*",0};
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struct scm scm_vm_call_with_values2 = {TSPECIAL, "*vm-call-with-values2*",0};
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struct scm scm_vm_call_with_current_continuation2 = {TSPECIAL, "*vm-call-with-current-continuation2*",0};
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struct scm scm_vm_return = {TSPECIAL, "*vm-return*",0};
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struct scm scm_type_char = {TSYMBOL, "<cell:char>",0};
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struct scm scm_type_closure = {TSYMBOL, "<cell:closure>",0};
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struct scm scm_type_continuation = {TSYMBOL, "<cell:continuation>",0};
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struct scm scm_type_function = {TSYMBOL, "<cell:function>",0};
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struct scm scm_type_keyword = {TSYMBOL, "<cell:keyword>",0};
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struct scm scm_type_macro = {TSYMBOL, "<cell:macro>",0};
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struct scm scm_type_number = {TSYMBOL, "<cell:number>",0};
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struct scm scm_type_pair = {TSYMBOL, "<cell:pair>",0};
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struct scm scm_type_port = {TSYMBOL, "<cell:port>",0};
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struct scm scm_type_ref = {TSYMBOL, "<cell:ref>",0};
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struct scm scm_type_special = {TSYMBOL, "<cell:special>",0};
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struct scm scm_type_string = {TSYMBOL, "<cell:string>",0};
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struct scm scm_type_struct = {TSYMBOL, "<cell:struct>",0};
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struct scm scm_type_symbol = {TSYMBOL, "<cell:symbol>",0};
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struct scm scm_type_values = {TSYMBOL, "<cell:values>",0};
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struct scm scm_type_variable = {TSYMBOL, "<cell:variable>",0};
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struct scm scm_type_vector = {TSYMBOL, "<cell:vector>",0};
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struct scm scm_type_broken_heart = {TSYMBOL, "<cell:broken-heart>",0};
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struct scm scm_symbol_compiler = {TSYMBOL, "%compiler",0};
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struct scm scm_symbol_arch = {TSYMBOL, "%arch",0};
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struct scm scm_test = {TSYMBOL, "test",0};
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#include "mes.mes.symbols.h"
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SCM tmp;
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SCM tmp_num;
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SCM tmp_num2;
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struct function g_functions[200];
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int g_function = 0;
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#include "gc.mes.h"
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#include "lib.mes.h"
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#if !MES_MINI
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#include "math.mes.h"
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#endif
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#include "mes.mes.h"
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SCM gc_init_news ();
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// #if !MES_MINI
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// #include "posix.mes.h"
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// #ndif
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//#include "vector.mes.h"
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#define TYPE(x) g_cells[x].type
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#define CAR(x) g_cells[x].car
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#define CDR(x) g_cells[x].cdr
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#define NTYPE(x) g_news[x].type
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#define NCAR(x) g_news[x].car
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#define NCDR(x) g_news[x].cdr
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#define LENGTH(x) g_cells[x].car
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#define REF(x) g_cells[x].car
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#define STRING(x) g_cells[x].car
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#define STRUCT(x) g_cells[x].cdr
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#define VARIABLE(x) g_cells[x].car
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#define CLOSURE(x) g_cells[x].cdr
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#define CONTINUATION(x) g_cells[x].cdr
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#define FUNCTION(x) g_functions[g_cells[x].cdr]
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#define MACRO(x) g_cells[x].cdr
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#define PORT(x) g_cells[x].cdr
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#define VALUE(x) g_cells[x].cdr
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#define VECTOR(x) g_cells[x].cdr
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#define NLENGTH(x) g_news[x].car
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#define NVALUE(x) g_news[x].cdr
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#define NVECTOR(x) g_news[x].cdr
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#define MAKE_CHAR(n) make_cell_ (tmp_num_ (TCHAR), 0, tmp_num2_ (n))
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#define MAKE_CONTINUATION(n) make_cell_ (tmp_num_ (TCONTINUATION), n, g_stack)
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#define MAKE_NUMBER(n) make_cell_ (tmp_num_ (TNUMBER), 0, tmp_num2_ (n))
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#define MAKE_REF(n) make_cell_ (tmp_num_ (TREF), n, 0)
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#define MAKE_STRING(x) make_cell_ (tmp_num_ (TSTRING), x, 0)
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#define CAAR(x) CAR (CAR (x))
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#define CADR(x) CAR (CDR (x))
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#define CDAR(x) CDR (CAR (x))
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#define CDDR(x) CDR (CDR (x))
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#define CADAR(x) CAR (CDR (CAR (x)))
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#define CADDR(x) CAR (CDR (CDR (x)))
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#define CDADAR(x) CAR (CDR (CAR (CDR (x))))
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SCM
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alloc (int n)
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{
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assert (g_free + n < ARENA_SIZE);
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SCM x = g_free;
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g_free += n;
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return x;
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}
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SCM
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tmp_num_ (int x)
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{
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VALUE (tmp_num) = x;
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return tmp_num;
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}
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SCM
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tmp_num2_ (int x)
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{
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VALUE (tmp_num2) = x;
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return tmp_num2;
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}
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SCM
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make_cell_ (SCM type, SCM car, SCM cdr)
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{
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SCM x = alloc (1);
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assert (TYPE (type) == TNUMBER);
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TYPE (x) = VALUE (type);
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if (VALUE (type) == TCHAR || VALUE (type) == TNUMBER) {
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if (car) CAR (x) = CAR (car);
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if (cdr) CDR(x) = CDR(cdr);
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}
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else if (VALUE (type) == TFUNCTION) {
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if (car) CAR (x) = car;
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if (cdr) CDR(x) = CDR(cdr);
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}
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else {
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CAR (x) = car;
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CDR(x) = cdr;
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}
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return x;
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}
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SCM
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make_symbol_ (SCM s) ///((internal))
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{
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VALUE (tmp_num) = TSYMBOL;
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SCM x = make_cell_ (tmp_num, s, 0);
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g_symbols = cons (x, g_symbols);
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return x;
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}
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SCM
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list_of_char_equal_p (SCM a, SCM b) ///((internal))
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{
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while (a != cell_nil && b != cell_nil && VALUE (CAR (a)) == VALUE (CAR (b))) {
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assert (TYPE (CAR (a)) == TCHAR);
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assert (TYPE (CAR (b)) == TCHAR);
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a = CDR (a);
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b = CDR (b);
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}
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return (a == cell_nil && b == cell_nil) ? cell_t : cell_f;
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}
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SCM
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list_to_symbol (SCM s)
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{
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SCM x = g_symbols;
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while (x) {
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if (list_of_char_equal_p (STRING (CAR (x)), s) == cell_t) break;
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x = CDR (x);
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}
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if (x) x = CAR (x);
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if (!x) x = make_symbol_ (s);
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return x;
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}
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SCM
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type_ (SCM x)
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{
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return MAKE_NUMBER (TYPE (x));
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}
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SCM
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car_ (SCM x)
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{
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return (TYPE (x) != TCONTINUATION
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&& (TYPE (CAR (x)) == TPAIR // FIXME: this is weird
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|| TYPE (CAR (x)) == TREF
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|| TYPE (CAR (x)) == TSPECIAL
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|| TYPE (CAR (x)) == TSYMBOL
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|| TYPE (CAR (x)) == TSTRING)) ? CAR (x) : MAKE_NUMBER (CAR (x));
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}
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SCM
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cdr_ (SCM x)
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{
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return (TYPE (CDR (x)) == TPAIR
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|| TYPE (CDR (x)) == TREF
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|| TYPE (CAR (x)) == TSPECIAL
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|| TYPE (CDR (x)) == TSYMBOL
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|| TYPE (CDR (x)) == TSTRING) ? CDR (x) : MAKE_NUMBER (CDR (x));
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}
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SCM
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arity_ (SCM x)
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{
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assert (TYPE (x) == TFUNCTION);
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return MAKE_NUMBER (FUNCTION (x).arity);
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}
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SCM
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cons (SCM x, SCM y)
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{
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VALUE (tmp_num) = TPAIR;
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return make_cell_ (tmp_num, x, y);
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}
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SCM
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car (SCM x)
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{
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if (TYPE (x) != TPAIR) error (cell_symbol_not_a_pair, cons (x, cell_symbol_car));
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return CAR (x);
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}
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SCM
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cdr (SCM x)
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{
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||
if (TYPE (x) != TPAIR) error (cell_symbol_not_a_pair, cons (x, cell_symbol_cdr));
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return CDR (x);
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}
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SCM
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list (SCM x) ///((arity . n))
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||
{
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||
return x;
|
||
}
|
||
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SCM
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null_p (SCM x)
|
||
{
|
||
return x == cell_nil ? cell_t : cell_f;
|
||
}
|
||
|
||
SCM
|
||
eq_p (SCM x, SCM y)
|
||
{
|
||
return (x == y
|
||
|| ((TYPE (x) == TKEYWORD && TYPE (y) == TKEYWORD
|
||
&& STRING (x) == STRING (y)))
|
||
|| (TYPE (x) == TCHAR && TYPE (y) == TCHAR
|
||
&& VALUE (x) == VALUE (y))
|
||
|| (TYPE (x) == TNUMBER && TYPE (y) == TNUMBER
|
||
&& VALUE (x) == VALUE (y)))
|
||
? cell_t : cell_f;
|
||
}
|
||
|
||
SCM
|
||
values (SCM x) ///((arity . n))
|
||
{
|
||
SCM v = cons (0, x);
|
||
TYPE (v) = TVALUES;
|
||
return v;
|
||
}
|
||
|
||
SCM
|
||
acons (SCM key, SCM value, SCM alist)
|
||
{
|
||
return cons (cons (key, value), alist);
|
||
}
|
||
|
||
SCM
|
||
length (SCM x)
|
||
{
|
||
int n = 0;
|
||
while (x != cell_nil)
|
||
{
|
||
n++;
|
||
if (TYPE (x) != TPAIR) return MAKE_NUMBER (-1);
|
||
x = CDR (x);
|
||
}
|
||
return MAKE_NUMBER (n);
|
||
}
|
||
|
||
SCM apply (SCM, SCM, SCM);
|
||
|
||
SCM
|
||
assq_ref_env (SCM x, SCM a)
|
||
{
|
||
x = assq (x, a);
|
||
if (x == cell_f) return cell_undefined;
|
||
return CDR (x);
|
||
}
|
||
|
||
SCM
|
||
error (SCM key, SCM x)
|
||
{
|
||
SCM throw;
|
||
if ((throw = assq_ref_env (cell_symbol_throw, r0)) != cell_undefined)
|
||
return apply (throw, cons (key, cons (x, cell_nil)), r0);
|
||
display_error_ (key);
|
||
eputs (": ");
|
||
display_error_ (x);
|
||
eputs ("\n");
|
||
exit (1);
|
||
}
|
||
|
||
SCM
|
||
cstring_to_list (char const* s)
|
||
{
|
||
SCM p = cell_nil;
|
||
int i = strlen (s);
|
||
while (i--)
|
||
p = cons (MAKE_CHAR (s[i]), p);
|
||
return p;
|
||
}
|
||
|
||
// extra lib
|
||
SCM
|
||
assert_defined (SCM x, SCM e) ///((internal))
|
||
{
|
||
if (e == cell_undefined) return error (cell_symbol_unbound_variable, x);
|
||
return e;
|
||
}
|
||
|
||
SCM
|
||
check_formals (SCM f, SCM formals, SCM args) ///((internal))
|
||
{
|
||
int flen = (TYPE (formals) == TNUMBER) ? VALUE (formals) : VALUE (length (formals));
|
||
int alen = VALUE (length (args));
|
||
if (alen != flen && alen != -1 && flen != -1)
|
||
{
|
||
char *s = "apply: wrong number of arguments; expected: ";
|
||
eputs (s);
|
||
eputs (itoa (flen));
|
||
eputs (", got: ");
|
||
eputs (itoa (alen));
|
||
eputs ("\n");
|
||
display_error_ (f);
|
||
SCM e = MAKE_STRING (cstring_to_list (s));
|
||
return error (cell_symbol_wrong_number_of_args, cons (e, f));
|
||
}
|
||
return cell_unspecified;
|
||
}
|
||
|
||
SCM
|
||
check_apply (SCM f, SCM e) ///((internal))
|
||
{
|
||
char* type = 0;
|
||
if (f == cell_f || f == cell_t) type = "bool";
|
||
if (f == cell_nil) type = "nil";
|
||
if (f == cell_unspecified) type = "*unspecified*";
|
||
if (f == cell_undefined) type = "*undefined*";
|
||
if (TYPE (f) == TCHAR) type = "char";
|
||
if (TYPE (f) == TNUMBER) type = "number";
|
||
if (TYPE (f) == TSTRING) type = "string";
|
||
|
||
if (type)
|
||
{
|
||
char *s = "cannot apply: ";
|
||
eputs (s);
|
||
eputs (type);
|
||
eputs ("[");
|
||
display_error_ (e);
|
||
eputs ("]\n");
|
||
SCM e = MAKE_STRING (cstring_to_list (s));
|
||
return error (cell_symbol_wrong_type_arg, cons (e, f));
|
||
}
|
||
return cell_unspecified;
|
||
}
|
||
|
||
SCM
|
||
gc_push_frame () ///((internal))
|
||
{
|
||
SCM frame = cons (r1, cons (r2, cons (r3, cons (r0, cell_nil))));
|
||
g_stack = cons (frame, g_stack);
|
||
return g_stack;
|
||
}
|
||
|
||
SCM
|
||
append2 (SCM x, SCM y)
|
||
{
|
||
if (x == cell_nil)
|
||
return y;
|
||
if (TYPE (x) != TPAIR)
|
||
error (cell_symbol_not_a_pair, cons (x, cell_append2));
|
||
SCM r = cell_nil;
|
||
while (x != cell_nil)
|
||
{
|
||
r = cons (CAR (x), r);
|
||
x = CDR (x);
|
||
}
|
||
return reverse_x_ (r, y);
|
||
}
|
||
|
||
SCM
|
||
append_reverse (SCM x, SCM y)
|
||
{
|
||
if (x == cell_nil)
|
||
return y;
|
||
if (TYPE (x) != TPAIR)
|
||
error (cell_symbol_not_a_pair, cons (x, cell_append_reverse));
|
||
while (x != cell_nil)
|
||
{
|
||
y = cons (CAR (x), y);
|
||
x = CDR (x);
|
||
}
|
||
return y;
|
||
}
|
||
|
||
SCM
|
||
reverse_x_ (SCM x, SCM t)
|
||
{
|
||
if (TYPE (x) != TPAIR)
|
||
error (cell_symbol_not_a_pair, cons (x, cell_reverse_x_));
|
||
SCM r = t;
|
||
while (x != cell_nil)
|
||
{
|
||
t = CDR (x);
|
||
CDR (x) = r;
|
||
r = x;
|
||
x = t;
|
||
}
|
||
return r;
|
||
}
|
||
|
||
SCM
|
||
pairlis (SCM x, SCM y, SCM a)
|
||
{
|
||
if (x == cell_nil)
|
||
return a;
|
||
if (TYPE (x) != TPAIR)
|
||
return cons (cons (x, y), a);
|
||
return cons (cons (car (x), car (y)),
|
||
pairlis (cdr (x), cdr (y), a));
|
||
}
|
||
|
||
SCM
|
||
call (SCM fn, SCM x)
|
||
{
|
||
if ((FUNCTION (fn).arity > 0 || FUNCTION (fn).arity == -1)
|
||
&& x != cell_nil && TYPE (CAR (x)) == TVALUES)
|
||
x = cons (CADAR (x), CDR (x));
|
||
if ((FUNCTION (fn).arity > 1 || FUNCTION (fn).arity == -1)
|
||
&& x != cell_nil && TYPE (CDR (x)) == TPAIR && TYPE (CADR (x)) == TVALUES)
|
||
x = cons (CAR (x), cons (CDADAR (x), CDR (x)));
|
||
switch (FUNCTION (fn).arity)
|
||
{
|
||
#if __MESC__ || !_POSIX_SOURCE
|
||
case 0: return (FUNCTION (fn).function) ();
|
||
case 1: return ((SCM(*)(SCM))(FUNCTION (fn).function)) (CAR (x));
|
||
case 2: return ((SCM(*)(SCM,SCM))(FUNCTION (fn).function)) (CAR (x), CADR (x));
|
||
case 3: return ((SCM(*)(SCM,SCM,SCM))(FUNCTION (fn).function)) (CAR (x), CADR (x), CAR (CDDR (x)));
|
||
case -1: return ((SCM(*)(SCM))(FUNCTION (fn).function)) (x);
|
||
default: return ((SCM(*)(SCM))(FUNCTION (fn).function)) (x);
|
||
#else
|
||
case 0: return FUNCTION (fn).function0 ();
|
||
case 1: return FUNCTION (fn).function1 (CAR (x));
|
||
case 2: return FUNCTION (fn).function2 (CAR (x), CADR (x));
|
||
case 3: return FUNCTION (fn).function3 (CAR (x), CADR (x), CAR (CDDR (x)));
|
||
case -1: return FUNCTION (fn).functionn (x);
|
||
#endif
|
||
}
|
||
|
||
return cell_unspecified;
|
||
}
|
||
|
||
SCM
|
||
assq (SCM x, SCM a)
|
||
{
|
||
//FIXME: move into fast-non eq_p-ing assq core:assq?
|
||
//while (a != cell_nil && x != CAAR (a)) a = CDR (a);
|
||
while (a != cell_nil && eq_p (x, CAAR (a)) == cell_f) a = CDR (a);
|
||
return a != cell_nil ? CAR (a) : cell_f;
|
||
}
|
||
|
||
SCM
|
||
set_car_x (SCM x, SCM e)
|
||
{
|
||
assert (TYPE (x) == TPAIR);
|
||
CAR (x) = e;
|
||
return cell_unspecified;
|
||
}
|
||
|
||
SCM
|
||
set_cdr_x (SCM x, SCM e)
|
||
{
|
||
if (TYPE (x) != TPAIR) error (cell_symbol_not_a_pair, cons (x, cell_set_cdr_x));
|
||
CDR (x) = e;
|
||
return cell_unspecified;
|
||
}
|
||
|
||
SCM
|
||
set_env_x (SCM x, SCM e, SCM a)
|
||
{
|
||
SCM p = assert_defined (x, assq (x, a));
|
||
if (TYPE (p) != TPAIR) error (cell_symbol_not_a_pair, cons (p, x));
|
||
return set_cdr_x (p, e);
|
||
}
|
||
|
||
SCM
|
||
call_lambda (SCM e, SCM x, SCM aa, SCM a) ///((internal))
|
||
{
|
||
SCM cl = cons (cons (cell_closure, x), x);
|
||
r1 = e;
|
||
r0 = cl;
|
||
return cell_unspecified;
|
||
}
|
||
|
||
SCM
|
||
make_closure_ (SCM args, SCM body, SCM a) ///((internal))
|
||
{
|
||
return make_cell_ (tmp_num_ (TCLOSURE), cell_f, cons (cons (cell_circular, a), cons (args, body)));
|
||
}
|
||
|
||
SCM
|
||
lookup_macro_ (SCM x, SCM a) ///((internal))
|
||
{
|
||
if (TYPE (x) != TSYMBOL) return cell_f;
|
||
SCM m = assq_ref_env (x, a);
|
||
if (TYPE (m) == TMACRO) return MACRO (m);
|
||
return cell_f;
|
||
}
|
||
|
||
SCM
|
||
push_cc (SCM p1, SCM p2, SCM a, SCM c) ///((internal))
|
||
{
|
||
SCM x = r3;
|
||
r3 = c;
|
||
r2 = p2;
|
||
gc_push_frame ();
|
||
r1 = p1;
|
||
r0 = a;
|
||
r3 = x;
|
||
return cell_unspecified;
|
||
}
|
||
|
||
SCM
|
||
gc_peek_frame () ///((internal))
|
||
{
|
||
SCM frame = CAR (g_stack);
|
||
r1 = CAR (frame);
|
||
r2 = CADR (frame);
|
||
r3 = CAR (CDDR (frame));
|
||
r0 = CADR (CDDR (frame));
|
||
return frame;
|
||
}
|
||
|
||
SCM
|
||
gc_pop_frame () ///((internal))
|
||
{
|
||
SCM frame = gc_peek_frame (g_stack);
|
||
g_stack = CDR (g_stack);
|
||
return frame;
|
||
}
|
||
|
||
char const* string_to_cstring (SCM s);
|
||
|
||
SCM
|
||
add_formals (SCM formals, SCM x)
|
||
{
|
||
while (TYPE (x) == TPAIR)
|
||
{
|
||
formals = cons (CAR (x), formals);
|
||
x = CDR (x);
|
||
}
|
||
if (TYPE (x) == TSYMBOL)
|
||
formals = cons (x, formals);
|
||
return formals;
|
||
}
|
||
|
||
SCM
|
||
eval_apply ()
|
||
{
|
||
return cell_unspecified;
|
||
}
|
||
|
||
SCM
|
||
apply (SCM f, SCM x, SCM a) ///((internal))
|
||
{
|
||
push_cc (cons (f, x), cell_unspecified, r0, cell_unspecified);
|
||
r3 = cell_vm_apply;
|
||
return eval_apply ();
|
||
}
|
||
|
||
SCM
|
||
mes_g_stack (SCM a) ///((internal))
|
||
{
|
||
r0 = a;
|
||
r1 = MAKE_CHAR (0);
|
||
r2 = MAKE_CHAR (0);
|
||
r3 = MAKE_CHAR (0);
|
||
g_stack = cons (cell_nil, cell_nil);
|
||
return r0;
|
||
}
|
||
|
||
// Environment setup
|
||
|
||
SCM
|
||
make_tmps (struct scm* cells)
|
||
{
|
||
tmp = g_free++;
|
||
cells[tmp].type = TCHAR;
|
||
tmp_num = g_free++;
|
||
cells[tmp_num].type = TNUMBER;
|
||
tmp_num2 = g_free++;
|
||
cells[tmp_num2].type = TNUMBER;
|
||
return 0;
|
||
}
|
||
|
||
#if !MES_MINI
|
||
#include "posix.c"
|
||
#include "math.c"
|
||
#endif
|
||
#include "lib.c"
|
||
|
||
// Jam Collector
|
||
SCM g_symbol_max;
|
||
|
||
SCM
|
||
gc_init_cells () ///((internal))
|
||
{
|
||
int size = ARENA_SIZE * 12;
|
||
size = size * 2;
|
||
#if __GNUC__
|
||
g_arena = (char*)malloc (size);
|
||
#else
|
||
char *p = 0;
|
||
p = malloc (size);
|
||
g_arena = p;
|
||
#endif
|
||
g_cells = g_arena;
|
||
return 0;
|
||
//g_cells = (scm *)malloc (2*ARENA_SIZE*sizeof(scm));
|
||
|
||
TYPE (0) = TVECTOR;
|
||
LENGTH (0) = 1000;
|
||
VECTOR (0) = 0;
|
||
g_cells++;
|
||
TYPE (0) = TCHAR;
|
||
VALUE (0) = 'c';
|
||
return 0;
|
||
}
|
||
|
||
SCM
|
||
mes_symbols () ///((internal))
|
||
{
|
||
gc_init_cells ();
|
||
gc_init_news ();
|
||
|
||
#include "mes.mes.symbols.i"
|
||
|
||
g_symbol_max = g_free;
|
||
make_tmps (g_cells);
|
||
|
||
g_symbols = 0;
|
||
for (int i=1; i<g_symbol_max; i++)
|
||
g_symbols = cons (i, g_symbols);
|
||
|
||
SCM a = cell_nil;
|
||
|
||
#include "mes.mes.symbol-names.i"
|
||
|
||
a = acons (cell_symbol_mes_version, MAKE_STRING (cstring_to_list (VERSION)), a);
|
||
a = acons (cell_symbol_mes_prefix, MAKE_STRING (cstring_to_list (PREFIX)), a);
|
||
|
||
a = acons (cell_symbol_dot, cell_dot, a);
|
||
a = acons (cell_symbol_begin, cell_begin, a);
|
||
a = acons (cell_symbol_call_with_values, cell_symbol_call_with_values, a);
|
||
a = acons (cell_symbol_current_module, cell_symbol_current_module, a);
|
||
a = acons (cell_symbol_call_with_current_continuation, cell_call_with_current_continuation, a);
|
||
a = acons (cell_symbol_sc_expand, cell_f, a);
|
||
|
||
char *compiler = "gcc";
|
||
#if __MESC__
|
||
compiler = "mescc";
|
||
#elif __TINYC__
|
||
compiler = "tcc";
|
||
#endif
|
||
a = acons (cell_symbol_compiler, MAKE_STRING (cstring_to_list (compiler)), a);
|
||
|
||
char *arch = "x86";
|
||
#if __x86_64__
|
||
arch = "x86_64";
|
||
#endif
|
||
a = acons (cell_symbol_arch, MAKE_STRING (cstring_to_list (arch)), a);
|
||
|
||
a = acons (cell_closure, a, a);
|
||
|
||
return a;
|
||
}
|
||
|
||
SCM
|
||
mes_environment () ///((internal))
|
||
{
|
||
SCM a = mes_symbols ();
|
||
return mes_g_stack (a);
|
||
}
|
||
|
||
SCM
|
||
mes_builtins (SCM a) ///((internal))
|
||
{
|
||
#include "mes.mes.i"
|
||
|
||
// Do not sort: Order of these includes define builtins
|
||
#if !MES_MINI
|
||
#include "posix.mes.i"
|
||
#include "math.mes.i"
|
||
#endif
|
||
#include "lib.mes.i"
|
||
#if !MES_MINI
|
||
#include "vector.mes.i"
|
||
#endif
|
||
#include "gc.mes.i"
|
||
#if !MES_MINI
|
||
//#include "reader.mes.i"
|
||
#endif
|
||
|
||
#include "gc.mes.environment.i"
|
||
#include "lib.mes.environment.i"
|
||
#if !MES_MINI
|
||
#include "math.mes.environment.i"
|
||
#endif
|
||
#include "mes.mes.environment.i"
|
||
#if !MES_MINI
|
||
#include "posix.mes.environment.i"
|
||
//#include "reader.mes.environment.i"
|
||
#include "vector.mes.environment.i"
|
||
#endif
|
||
|
||
return a;
|
||
}
|
||
|
||
SCM
|
||
bload_env (SCM a) ///((internal))
|
||
{
|
||
char *mo = "module/mes/read-0-32.mo";
|
||
g_stdin = open (mo, 0);
|
||
if (g_stdin < 0) {eputs ("no such file: ");eputs (mo);eputs ("\n");return 1;}
|
||
assert (getchar () == 'M');
|
||
assert (getchar () == 'E');
|
||
assert (getchar () == 'S');
|
||
eputs ("*GOT MES*\n");
|
||
g_stack = getchar () << 8;
|
||
g_stack += getchar ();
|
||
|
||
char *p = (char*)g_cells;
|
||
int c = getchar ();
|
||
while (c != EOF)
|
||
{
|
||
*p++ = c;
|
||
c = getchar ();
|
||
}
|
||
g_free = (p-(char*)g_cells) /
|
||
gc_peek_frame ();
|
||
g_symbols = r1;
|
||
g_stdin = STDIN;
|
||
r0 = mes_builtins (r0);
|
||
|
||
char *compiler = "gcc";
|
||
#if __MESC__
|
||
compiler = "mescc";
|
||
#elif __TINYC__
|
||
compiler = "tcc";
|
||
#endif
|
||
set_env_x (cell_symbol_compiler, MAKE_STRING (cstring_to_list (compiler)), r0);
|
||
|
||
char *arch = "x86";
|
||
#if __x86_64__
|
||
arch = "x86_64";
|
||
#endif
|
||
set_env_x (cell_symbol_arch, MAKE_STRING (cstring_to_list (arch)), r0);
|
||
|
||
if (g_debug)
|
||
{
|
||
eputs ("symbols: ");
|
||
SCM s = g_symbols;
|
||
while (s && s != cell_nil) {
|
||
display_error_ (CAR (s));
|
||
eputs (" ");
|
||
s = CDR (s);
|
||
}
|
||
eputs ("\n");
|
||
eputs ("functions: ");
|
||
eputs (itoa (g_function));
|
||
eputs ("\n");
|
||
for (int i = 0; i < g_function; i++)
|
||
{
|
||
eputs ("[");
|
||
eputs (itoa (i));
|
||
eputs ("]: ");
|
||
eputs (g_functions[i].name);
|
||
eputs ("\n");
|
||
}
|
||
//display_error_ (r0);
|
||
//puts ("\n");
|
||
}
|
||
return r2;
|
||
}
|
||
|
||
#if !MES_MINI
|
||
#include "vector.c"
|
||
#endif
|
||
#include "gc.c"
|
||
|
||
int
|
||
main (int argc, char *argv[])
|
||
{
|
||
char *p;
|
||
if (p = getenv ("MES_DEBUG")) g_debug = atoi (p);
|
||
if (g_debug) {eputs (";;; MODULEDIR=");eputs (MODULEDIR);eputs ("\n");}
|
||
if (p = getenv ("MES_MAX_ARENA")) MAX_ARENA_SIZE = atoi (p);
|
||
if (p = getenv ("MES_ARENA")) ARENA_SIZE = atoi (p);
|
||
if (argc > 1 && !strcmp (argv[1], "--help")) return puts ("Usage: mes [--dump|--load] < FILE\n");
|
||
if (argc > 1 && !strcmp (argv[1], "--version")) {puts ("Mes ");puts (VERSION);puts ("\n");return 0;};
|
||
g_stdout = STDOUT;
|
||
r0 = mes_environment ();
|
||
|
||
SCM program = bload_env (r0);
|
||
SCM lst = cell_nil;
|
||
for (int i=argc-1; i>=0; i--) lst = cons (MAKE_STRING (cstring_to_list (argv[i])), lst);
|
||
r0 = acons (cell_symbol_argv, lst, r0);
|
||
push_cc (r2, cell_unspecified, r0, cell_unspecified);
|
||
if (g_debug)
|
||
{
|
||
eputs ("program: ");
|
||
display_error_ (r1);
|
||
eputs ("\n");
|
||
}
|
||
r3 = cell_vm_begin;
|
||
r1 = eval_apply ();
|
||
display_error_ (r1);
|
||
eputs ("\n");
|
||
gc (g_stack);
|
||
if (g_debug)
|
||
{
|
||
eputs ("\nstats: [");
|
||
eputs (itoa (g_free));
|
||
eputs ("]\n");
|
||
}
|
||
return 0;
|
||
}
|