/* -*-comment-start: "//";comment-end:""-*- * GNU Mes --- Maxwell Equations of Software * Copyright © 2016,2017,2018,2019 Jan (janneke) Nieuwenhuizen * * This file is part of GNU Mes. * * GNU Mes is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or (at * your option) any later version. * * GNU Mes 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with GNU Mes. If not, see . */ #include "mes/lib.h" #include "mes/mes.h" #include #include #include #include #include char g_datadir[1024]; int g_debug; char *g_buf; SCM g_continuations; SCM g_symbols; SCM g_symbol_max; // a/env SCM r0; // param 1 SCM r1; // save 2 SCM r2; // continuation SCM r3; // current-module SCM m0; // macro SCM g_macros; SCM g_ports; #if __MESC__ typedef long function0_t; typedef long function1_t; typedef long function2_t; typedef long function3_t; typedef long functionn_t; #else // !__MESC__ typedef SCM (*function0_t) (void); typedef SCM (*function1_t) (SCM); typedef SCM (*function2_t) (SCM, SCM); typedef SCM (*function3_t) (SCM, SCM, SCM); typedef SCM (*functionn_t) (SCM); #endif // !__MESC__ SCM alloc (long n) { SCM x = g_free; g_free += n; if (g_free > ARENA_SIZE) assert (!"alloc: out of memory"); return x; } SCM make_cell__ (long type, SCM car, SCM cdr) { SCM x = alloc (1); TYPE (x) = type; CAR (x) = car; CDR (x) = cdr; return x; } SCM make_cell_ (SCM type, SCM car, SCM cdr) { assert (TYPE (type) == TNUMBER); long t = VALUE (type); if (t == TCHAR || t == TNUMBER) return make_cell__ (t, car ? CAR (car) : 0, cdr ? CDR (cdr) : 0); return make_cell__ (t, car, cdr); } SCM assoc_string (SCM x, SCM a) ///((internal)) { while (a != cell_nil && (TYPE (CAAR (a)) != TSTRING || string_equal_p (x, CAAR (a)) == cell_f)) a = CDR (a); return a != cell_nil ? CAR (a) : cell_f; } SCM type_ (SCM x) { return MAKE_NUMBER (TYPE (x)); } // SCM // car_to_cell_ (SCM x) // { // return CAR (x); // } // SCM // cdr_to_cell_ (SCM x) // { // return CDR (x); // } // SCM // car_to_number_ (SCM x) // { // return MAKE_NUMBER (CAR (x)); // } // SCM // cdr_to_number_ (SCM x) // { // return MAKE_NUMBER (CDR (x)); // } SCM car_ (SCM x) { return (TYPE (x) != TCONTINUATION && (TYPE (CAR (x)) == TPAIR // FIXME: this is weird || TYPE (CAR (x)) == TREF || TYPE (CAR (x)) == TSPECIAL || TYPE (CAR (x)) == TSYMBOL || TYPE (CAR (x)) == TSTRING)) ? CAR (x) : MAKE_NUMBER (CAR (x)); } SCM cdr_ (SCM x) { return (TYPE (x) != TCHAR && TYPE (x) != TNUMBER && TYPE (x) != TPORT && (TYPE (CDR (x)) == TPAIR || TYPE (CDR (x)) == TREF || TYPE (CDR (x)) == TSPECIAL || TYPE (CDR (x)) == TSYMBOL || TYPE (CDR (x)) == TSTRING)) ? CDR (x) : MAKE_NUMBER (CDR (x)); } SCM cons (SCM x, SCM y) { return make_cell__ (TPAIR, x, y); } SCM car (SCM x) { #if !__MESC_MES__ if (TYPE (x) != TPAIR) error (cell_symbol_not_a_pair, cons (x, cell_symbol_car)); #endif return CAR (x); } SCM cdr (SCM x) { #if !__MESC_MES__ if (TYPE (x) != TPAIR) error (cell_symbol_not_a_pair, cons (x, cell_symbol_cdr)); #endif return CDR (x); } SCM list (SCM x) ///((arity . n)) { return x; } SCM 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_equal_p (x, y) == cell_t)) || (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); } long length__ (SCM x) ///((internal)) { long n = 0; while (x != cell_nil) { n++; if (TYPE (x) != TPAIR) return -1; x = CDR (x); } return n; } SCM length (SCM x) { return MAKE_NUMBER (length__ (x)); } SCM error (SCM key, SCM x) { #if !__MESC_MES__ SCM throw; if ((throw = module_ref (r0, cell_symbol_throw)) != cell_undefined) return apply (throw, cons (key, cons (x, cell_nil)), r0); #endif display_error_ (key); eputs (": "); write_error_ (x); eputs ("\n"); assert (0); exit (1); } // 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)) { long flen = (TYPE (formals) == TNUMBER) ? VALUE (formals) : length__ (formals); long alen = 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"); write_error_ (f); SCM e = MAKE_STRING0 (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 (f) == TSTRUCT && builtin_p (f) == cell_f) type = "#<...>"; if (TYPE (f) == TBROKEN_HEART) type = "<3"; if (type) { char *s = "cannot apply: "; eputs (s); eputs (type); eputs ("["); write_error_ (e); eputs ("]\n"); SCM e = MAKE_STRING0 (s); return error (cell_symbol_wrong_type_arg, cons (e, f)); } return cell_unspecified; } SCM append2 (SCM x, SCM y) { if (x == cell_nil) return y; if (TYPE (x) != TPAIR) error (cell_symbol_not_a_pair, cons (x, cstring_to_symbol ("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, cstring_to_symbol ("append-reverse"))); while (x != cell_nil) { y = cons (CAR (x), y); x = CDR (x); } return y; } SCM reverse_x_ (SCM x, SCM t) { if (x != cell_nil && TYPE (x) != TPAIR) error (cell_symbol_not_a_pair, cons (x, cstring_to_symbol ("core:reverse!"))); 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 assq (SCM x, SCM a) { if (TYPE (a) != TPAIR) return cell_f; int t = TYPE (x); if (t == TSYMBOL || t == TSPECIAL) while (a != cell_nil && x != CAAR (a)) a = CDR (a); else if (t == TCHAR || t == TNUMBER) { SCM v = VALUE (x); while (a != cell_nil && v != VALUE (CAAR (a))) a = CDR (a); } else if (t == TKEYWORD) { while (a != cell_nil && string_equal_p (x, CAAR (a)) == cell_f) a = CDR (a); } else /* pointer equality, e.g. on strings. */ while (a != cell_nil && x != CAAR (a)) a = CDR (a); return a != cell_nil ? CAR (a) : cell_f; } SCM assoc (SCM x, SCM a) { if (TYPE (x) == TSTRING) return assoc_string (x, a); while (a != cell_nil && equal2_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) { if (TYPE (x) != TPAIR) error (cell_symbol_not_a_pair, cons (x, cstring_to_symbol ("set-car!"))); 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, cstring_to_symbol ("set-cdr!"))); CDR (x) = e; return cell_unspecified; } SCM set_env_x (SCM x, SCM e, SCM a) { SCM p; if (TYPE (x) == TVARIABLE) p = VARIABLE (x); else p = assert_defined (x, module_variable (a, x)); 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__ (TCLOSURE, cell_f, cons (cons (cell_circular, a), cons (args, body))); } SCM make_variable_ (SCM var) ///((internal)) { return make_cell__ (TVARIABLE, var, 0); } SCM macro_get_handle (SCM name) { if (TYPE (name) == TSYMBOL) return hashq_get_handle (g_macros, name, cell_nil); return cell_f; } SCM get_macro (SCM name) ///((internal)) { SCM m = macro_get_handle (name); if (m != cell_f) return MACRO (CDR (m)); return cell_f; } SCM macro_set_x (SCM name, SCM value) ///((internal)) { return hashq_set_x (g_macros, name, value); } 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 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; } int formal_p (SCM x, SCM formals) /// ((internal)) { if (TYPE (formals) == TSYMBOL) { if (x == formals) return x; else return cell_f; } while (TYPE (formals) == TPAIR && CAR (formals) != x) formals = CDR (formals); if (TYPE (formals) == TSYMBOL) return formals == x; return TYPE (formals) == TPAIR; } SCM expand_variable_ (SCM x, SCM formals, int top_p) ///((internal)) { while (TYPE (x) == TPAIR) { if (TYPE (CAR (x)) == TPAIR) { if (CAAR (x) == cell_symbol_lambda) { SCM f = CAR (CDAR (x)); formals = add_formals (formals, f); } else if (CAAR (x) == cell_symbol_define || CAAR (x) == cell_symbol_define_macro) { SCM f = CAR (CDAR (x)); formals = add_formals (formals, f); } if (CAAR (x) != cell_symbol_quote) expand_variable_ (CAR (x), formals, 0); } else { if (CAR (x) == cell_symbol_lambda) { SCM f = CADR (x); formals = add_formals (formals, f); x = CDR (x); } else if (CAR (x) == cell_symbol_define || CAR (x) == cell_symbol_define_macro) { SCM f = CADR (x); if (top_p && TYPE (f) == TPAIR) f = CDR (f); formals = add_formals (formals, f); x = CDR (x); } else if (CAR (x) == cell_symbol_quote) return cell_unspecified; else if (TYPE (CAR (x)) == TSYMBOL && CAR (x) != cell_symbol_boot_module && CAR (x) != cell_symbol_current_module && CAR (x) != cell_symbol_primitive_load && !formal_p (CAR (x), formals)) { SCM v = module_variable (r0, CAR (x)); if (v != cell_f) CAR (x) = make_variable_ (v); } } x = CDR (x); top_p = 0; } return cell_unspecified; } SCM expand_variable (SCM x, SCM formals) ///((internal)) { return expand_variable_ (x, formals, 1); } SCM eval_apply () { SCM aa; SCM args; SCM body; SCM cl; SCM entry; SCM expanders; SCM formals; SCM input; SCM name; SCM macro; SCM p; SCM program; SCM sc_expand; SCM v; SCM x; int global_p; int macro_p; int t; long c; eval_apply: if (r3 == cell_vm_evlis2) goto evlis2; else if (r3 == cell_vm_evlis3) goto evlis3; else if (r3 == cell_vm_eval_check_func) goto eval_check_func; else if (r3 == cell_vm_eval2) goto eval2; else if (r3 == cell_vm_apply2) goto apply2; else if (r3 == cell_vm_if_expr) goto if_expr; else if (r3 == cell_vm_begin_eval) goto begin_eval; else if (r3 == cell_vm_eval_set_x) goto eval_set_x; else if (r3 == cell_vm_macro_expand_car) goto macro_expand_car; else if (r3 == cell_vm_return) goto vm_return; else if (r3 == cell_vm_macro_expand_cdr) goto macro_expand_cdr; else if (r3 == cell_vm_eval_define) goto eval_define; else if (r3 == cell_vm_macro_expand) goto macro_expand; else if (r3 == cell_vm_macro_expand_lambda) goto macro_expand_lambda; else if (r3 == cell_vm_eval_pmatch_car) goto eval_pmatch_car; else if (r3 == cell_vm_begin_expand_macro) goto begin_expand_macro; else if (r3 == cell_vm_macro_expand_define) goto macro_expand_define; else if (r3 == cell_vm_begin_expand_eval) goto begin_expand_eval; else if (r3 == cell_vm_call_with_current_continuation2) goto call_with_current_continuation2; else if (r3 == cell_vm_macro_expand_set_x) goto macro_expand_set_x; else if (r3 == cell_vm_eval_pmatch_cdr) goto eval_pmatch_cdr; else if (r3 == cell_vm_macro_expand_define_macro) goto macro_expand_define_macro; else if (r3 == cell_vm_begin_primitive_load) goto begin_primitive_load; else if (r3 == cell_vm_evlis) goto evlis; else if (r3 == cell_vm_apply) goto apply; else if (r3 == cell_vm_eval) goto eval; else if (r3 == cell_vm_eval_macro_expand_eval) goto eval_macro_expand_eval; else if (r3 == cell_vm_eval_macro_expand_expand) goto eval_macro_expand_expand; else if (r3 == cell_vm_begin) goto begin; else if (r3 == cell_vm_begin_expand) goto begin_expand; else if (r3 == cell_vm_begin_expand_primitive_load) goto begin_expand_primitive_load; else if (r3 == cell_vm_if) goto vm_if; else if (r3 == cell_vm_call_with_values2) goto call_with_values2; else if (r3 == cell_unspecified) return r1; else error (cell_symbol_system_error, MAKE_STRING0 ("eval/apply unknown continuation")); evlis: if (r1 == cell_nil) goto vm_return; if (TYPE (r1) != TPAIR) goto eval; push_cc (CAR (r1), r1, r0, cell_vm_evlis2); goto eval; evlis2: push_cc (CDR (r2), r1, r0, cell_vm_evlis3); goto evlis; evlis3: r1 = cons (r2, r1); goto vm_return; apply: g_stack_array[g_stack + FRAME_PROCEDURE] = CAR (r1); t = TYPE (CAR (r1)); if (t == TSTRUCT && builtin_p (CAR (r1)) == cell_t) { check_formals (CAR (r1), builtin_arity (CAR (r1)), CDR (r1)); r1 = apply_builtin (CAR (r1), CDR (r1)); /// FIXME: move into eval_apply goto vm_return; } else if (t == TCLOSURE) { cl = CLOSURE (CAR (r1)); body = CDDR (cl); formals = CADR (cl); args = CDR (r1); aa = CDAR (cl); aa = CDR (aa); check_formals (CAR (r1), formals, CDR (r1)); p = pairlis (formals, args, aa); call_lambda (body, p, aa, r0); goto begin; } else if (t == TCONTINUATION) { v = CONTINUATION (CAR (r1)); if (LENGTH (v)) { for (t = 0; t < LENGTH (v); t++) g_stack_array[STACK_SIZE - LENGTH (v) + t] = vector_ref_ (v, t); g_stack = STACK_SIZE - LENGTH (v); } x = r1; gc_pop_frame (); r1 = CADR (x); goto eval_apply; } else if (t == TSPECIAL) { c = CAR (r1); if (c == cell_vm_apply) { push_cc (cons (CADR (r1), CADDR (r1)), r1, r0, cell_vm_return); goto apply; } else if (c == cell_vm_eval) { push_cc (CADR (r1), r1, CADDR (r1), cell_vm_return); goto eval; } else if (c == cell_vm_begin_expand) { push_cc (cons (CADR (r1), cell_nil), r1, CADDR (r1), cell_vm_return); goto begin_expand; } else if (c == cell_call_with_current_continuation) { r1 = CDR (r1); goto call_with_current_continuation; } else check_apply (cell_f, CAR (r1)); } else if (t == TSYMBOL) { if (CAR (r1) == cell_symbol_call_with_values) { r1 = CDR (r1); goto call_with_values; } if (CAR (r1) == cell_symbol_current_module) { r1 = r0; goto vm_return; } if (CAR (r1) == cell_symbol_boot_module) { r1 = m0; goto vm_return; } } else if (t == TPAIR) { if (CAAR (r1) == cell_symbol_lambda) { formals = CADR (CAR (r1)); args = CDR (r1); body = CDDR (CAR (r1)); p = pairlis (formals, CDR (r1), r0); check_formals (r1, formals, args); call_lambda (body, p, p, r0); goto begin; } } // write_error_ (CAR (r1)); // eputs ("\n"); push_cc (CAR (r1), r1, r0, cell_vm_apply2); goto eval; apply2: check_apply (r1, CAR (r2)); r1 = cons (r1, CDR (r2)); goto apply; eval: t = TYPE (r1); if (t == TPAIR) { c = CAR (r1); if (c == cell_symbol_pmatch_car) { push_cc (CADR (r1), r1, r0, cell_vm_eval_pmatch_car); goto eval; eval_pmatch_car: x = r1; gc_pop_frame (); r1 = CAR (x); goto eval_apply; } else if (c == cell_symbol_pmatch_cdr) { push_cc (CADR (r1), r1, r0, cell_vm_eval_pmatch_cdr); goto eval; eval_pmatch_cdr: x = r1; gc_pop_frame (); r1 = CDR (x); goto eval_apply; } else if (c == cell_symbol_quote) { x = r1; gc_pop_frame (); r1 = CADR (x); goto eval_apply; } else if (c == cell_symbol_begin) goto begin; else if (c == cell_symbol_lambda) { r1 = make_closure_ (CADR (r1), CDDR (r1), r0); goto vm_return; } else if (c == cell_symbol_if) { r1 = CDR (r1); goto vm_if; } else if (c == cell_symbol_set_x) { push_cc (CAR (CDDR (r1)), r1, r0, cell_vm_eval_set_x); goto eval; eval_set_x: r1 = set_env_x (CADR (r2), r1, r0); goto vm_return; } else if (c == cell_vm_macro_expand) { push_cc (CADR (r1), r1, r0, cell_vm_eval_macro_expand_eval); goto eval; eval_macro_expand_eval: push_cc (r1, r2, r0, cell_vm_eval_macro_expand_expand); goto macro_expand; eval_macro_expand_expand: goto vm_return; } else { if (TYPE (r1) == TPAIR && (CAR (r1) == cell_symbol_define || CAR (r1) == cell_symbol_define_macro)) { global_p = CAAR (r0) != cell_closure; macro_p = CAR (r1) == cell_symbol_define_macro; if (global_p) { name = CADR (r1); if (TYPE (CADR (r1)) == TPAIR) name = CAR (name); if (macro_p) { entry = assq (name, g_macros); if (entry == cell_f) macro_set_x (name, cell_f); } else { entry = module_variable (r0, name); if (entry == cell_f) module_define_x (m0, name, cell_f); } } r2 = r1; if (TYPE (CADR (r1)) != TPAIR) { push_cc (CAR (CDDR (r1)), r2, cons (cons (CADR (r1), CADR (r1)), r0), cell_vm_eval_define); goto eval; } else { p = pairlis (CADR (r1), CADR (r1), r0); formals = CDR (CADR (r1)); body = CDDR (r1); if (macro_p || global_p) expand_variable (body, formals); r1 = cons (cell_symbol_lambda, cons (formals, body)); push_cc (r1, r2, p, cell_vm_eval_define); goto eval; } eval_define:; name = CADR (r2); if (TYPE (CADR (r2)) == TPAIR) name = CAR (name); if (macro_p) { entry = macro_get_handle (name); r1 = MAKE_MACRO (name, r1); set_cdr_x (entry, r1); } else if (global_p) { entry = module_variable (r0, name); set_cdr_x (entry, r1); } else { entry = cons (name, r1); aa = cons (entry, cell_nil); set_cdr_x (aa, cdr (r0)); set_cdr_x (r0, aa); cl = module_variable (r0, cell_closure); set_cdr_x (cl, aa); } r1 = cell_unspecified; goto vm_return; } push_cc (CAR (r1), r1, r0, cell_vm_eval_check_func); gc_check (); goto eval; eval_check_func: push_cc (CDR (r2), r2, r0, cell_vm_eval2); goto evlis; eval2: r1 = cons (CAR (r2), r1); goto apply; } } else if (t == TSYMBOL) { if (r1 == cell_symbol_boot_module) goto vm_return; if (r1 == cell_symbol_current_module) goto vm_return; if (r1 == cell_symbol_begin) // FIXME { r1 = cell_begin; goto vm_return; } r1 = assert_defined (r1, module_ref (r0, r1)); goto vm_return; } else if (t == TVARIABLE) { r1 = CDR (VARIABLE (r1)); goto vm_return; } else if (t == TBROKEN_HEART) error (cell_symbol_system_error, r1); else goto vm_return; macro_expand: { macro; expanders; if (TYPE (r1) != TPAIR || CAR (r1) == cell_symbol_quote) goto vm_return; if (CAR (r1) == cell_symbol_lambda) { push_cc (CDDR (r1), r1, r0, cell_vm_macro_expand_lambda); goto macro_expand; macro_expand_lambda: CDDR (r2) = r1; r1 = r2; goto vm_return; } if (TYPE (r1) == TPAIR && (macro = get_macro (CAR (r1))) != cell_f) { r1 = cons (macro, CDR (r1)); push_cc (r1, cell_nil, r0, cell_vm_macro_expand); goto apply; } if (CAR (r1) == cell_symbol_define || CAR (r1) == cell_symbol_define_macro) { push_cc (CDDR (r1), r1, r0, cell_vm_macro_expand_define); goto macro_expand; macro_expand_define: CDDR (r2) = r1; r1 = r2; if (CAR (r1) == cell_symbol_define_macro) { push_cc (r1, r1, r0, cell_vm_macro_expand_define_macro); goto eval; macro_expand_define_macro: r1 = r2; } goto vm_return; } if (CAR (r1) == cell_symbol_set_x) { push_cc (CDDR (r1), r1, r0, cell_vm_macro_expand_set_x); goto macro_expand; macro_expand_set_x: CDDR (r2) = r1; r1 = r2; goto vm_return; } if (TYPE (r1) == TPAIR && TYPE (CAR (r1)) == TSYMBOL && CAR (r1) != cell_symbol_begin && ((macro = macro_get_handle (cell_symbol_portable_macro_expand)) != cell_f) && ((expanders = module_ref (r0, cell_symbol_sc_expander_alist)) != cell_undefined) && ((macro = assq (CAR (r1), expanders)) != cell_f)) { sc_expand = module_ref (r0, cell_symbol_macro_expand); r2 = r1; if (sc_expand != cell_undefined && sc_expand != cell_f) { r1 = cons (sc_expand, cons (r1, cell_nil)); goto apply; } } push_cc (CAR (r1), r1, r0, cell_vm_macro_expand_car); goto macro_expand; macro_expand_car: CAR (r2) = r1; r1 = r2; if (CDR (r1) == cell_nil) goto vm_return; push_cc (CDR (r1), r1, r0, cell_vm_macro_expand_cdr); goto macro_expand; macro_expand_cdr: CDR (r2) = r1; r1 = r2; goto vm_return; } begin: x = cell_unspecified; while (r1 != cell_nil) { gc_check (); if (TYPE (r1) == TPAIR) { if (CAAR (r1) == cell_symbol_primitive_load) { program = cons (CAR (r1), cell_nil); push_cc (program, r1, r0, cell_vm_begin_primitive_load); goto begin_expand; begin_primitive_load: CAR (r2) = r1; r1 = r2; } } if (TYPE (r1) == TPAIR && TYPE (CAR (r1)) == TPAIR) { if (CAAR (r1) == cell_symbol_begin) r1 = append2 (CDAR (r1), CDR (r1)); } if (CDR (r1) == cell_nil) { r1 = CAR (r1); goto eval; } push_cc (CAR (r1), r1, r0, cell_vm_begin_eval); goto eval; begin_eval: x = r1; r1 = CDR (r2); } r1 = x; goto vm_return; begin_expand: x = cell_unspecified; while (r1 != cell_nil) { gc_check (); if (TYPE (r1) == TPAIR) { if (TYPE (CAR (r1)) == TPAIR && CAAR (r1) == cell_symbol_begin) r1 = append2 (CDAR (r1), CDR (r1)); if (CAAR (r1) == cell_symbol_primitive_load) { push_cc (CADR (CAR (r1)), r1, r0, cell_vm_begin_expand_primitive_load); goto eval; // FIXME: expand too?! begin_expand_primitive_load: if (TYPE (r1) == TNUMBER && VALUE (r1) == 0) ; else if (TYPE (r1) == TSTRING) input = set_current_input_port (open_input_file (r1)); else if (TYPE (r1) == TPORT) input = set_current_input_port (r1); else assert (0); push_cc (input, r2, r0, cell_vm_return); x = read_input_file_env (r0); if (g_debug > 5) module_printer (m0); gc_pop_frame (); input = r1; r1 = x; set_current_input_port (input); r1 = cons (cell_symbol_begin, r1); CAR (r2) = r1; r1 = r2; continue; } } push_cc (CAR (r1), r1, r0, cell_vm_begin_expand_macro); goto macro_expand; begin_expand_macro: if (r1 != CAR (r2)) { CAR (r2) = r1; r1 = r2; continue; } r1 = r2; expand_variable (CAR (r1), cell_nil); push_cc (CAR (r1), r1, r0, cell_vm_begin_expand_eval); goto eval; begin_expand_eval: x = r1; r1 = CDR (r2); } r1 = x; goto vm_return; vm_if: push_cc (CAR (r1), r1, r0, cell_vm_if_expr); goto eval; if_expr: x = r1; r1 = r2; if (x != cell_f) { r1 = CADR (r1); goto eval; } if (CDDR (r1) != cell_nil) { r1 = CAR (CDDR (r1)); goto eval; } r1 = cell_unspecified; goto vm_return; call_with_current_continuation: gc_push_frame (); x = MAKE_CONTINUATION (g_continuations++); v = make_vector__ (STACK_SIZE - g_stack); for (t = g_stack; t < STACK_SIZE; t++) vector_set_x_ (v, t - g_stack, g_stack_array[t]); CONTINUATION (x) = v; gc_pop_frame (); push_cc (cons (CAR (r1), cons (x, cell_nil)), x, r0, cell_vm_call_with_current_continuation2); goto apply; call_with_current_continuation2: v = make_vector__ (STACK_SIZE - g_stack); for (t = g_stack; t < STACK_SIZE; t++) vector_set_x_ (v, t - g_stack, g_stack_array[t]); CONTINUATION (r2) = v; goto vm_return; call_with_values: push_cc (cons (CAR (r1), cell_nil), r1, r0, cell_vm_call_with_values2); goto apply; call_with_values2: if (TYPE (r1) == TVALUES) r1 = CDR (r1); r1 = cons (CADR (r2), r1); goto apply; vm_return: x = r1; gc_pop_frame (); r1 = x; goto eval_apply; } 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)) { //g_stack = g_free + ARENA_SIZE; g_stack = STACK_SIZE; r0 = a; r1 = MAKE_CHAR (0); r2 = MAKE_CHAR (0); r3 = MAKE_CHAR (0); return r0; } void init_symbol (long x, long type, char const *name) { TYPE (x) = type; int length = strlen (name); SCM string = make_string (name, length); CAR (x) = length; CDR (x) = STRING (string); hash_set_x (g_symbols, string, x); } SCM mes_symbols () ///((internal)) { g_free = cell_symbol_test + 1; g_symbol_max = g_free; g_symbols = make_hash_table_ (500); init_symbol (cell_nil, TSPECIAL, "()"); init_symbol (cell_f, TSPECIAL, "#f"); init_symbol (cell_t, TSPECIAL, "#t"); init_symbol (cell_dot, TSPECIAL, "."); init_symbol (cell_arrow, TSPECIAL, "=>"); init_symbol (cell_undefined, TSPECIAL, "*undefined*"); init_symbol (cell_unspecified, TSPECIAL, "*unspecified*"); init_symbol (cell_closure, TSPECIAL, "*closure*"); init_symbol (cell_circular, TSPECIAL, "*circular*"); init_symbol (cell_begin, TSPECIAL, "*begin*"); init_symbol (cell_call_with_current_continuation, TSPECIAL, "*call/cc*"); init_symbol (cell_vm_apply, TSPECIAL, "core:apply"); init_symbol (cell_vm_apply2, TSPECIAL, "*vm-apply2*"); init_symbol (cell_vm_begin, TSPECIAL, "*vm-begin*"); init_symbol (cell_vm_begin_eval, TSPECIAL, "*vm:begin-eval*"); init_symbol (cell_vm_begin_expand, TSPECIAL, "core:eval"); init_symbol (cell_vm_begin_expand_eval, TSPECIAL, "*vm:begin-expand-eval*"); init_symbol (cell_vm_begin_expand_macro, TSPECIAL, "*vm:begin-expand-macro*"); init_symbol (cell_vm_begin_expand_primitive_load, TSPECIAL, "*vm:core:begin-expand-primitive-load*"); init_symbol (cell_vm_begin_primitive_load, TSPECIAL, "*vm:core:begin-primitive-load*"); init_symbol (cell_vm_begin_read_input_file, TSPECIAL, "*vm-begin-read-input-file*"); init_symbol (cell_vm_call_with_current_continuation2, TSPECIAL, "*vm-call-with-current-continuation2*"); init_symbol (cell_vm_call_with_values2, TSPECIAL, "*vm-call-with-values2*"); init_symbol (cell_vm_eval, TSPECIAL, "core:eval-expanded"); init_symbol (cell_vm_eval2, TSPECIAL, "*vm-eval2*"); init_symbol (cell_vm_eval_check_func, TSPECIAL, "*vm-eval-check-func*"); init_symbol (cell_vm_eval_define, TSPECIAL, "*vm-eval-define*"); init_symbol (cell_vm_eval_macro_expand_eval, TSPECIAL, "*vm:eval-macro-expand-eval*"); init_symbol (cell_vm_eval_macro_expand_expand, TSPECIAL, "*vm:eval-macro-expand-expand*"); init_symbol (cell_vm_eval_pmatch_car, TSPECIAL, "*vm-eval-pmatch-car*"); init_symbol (cell_vm_eval_pmatch_cdr, TSPECIAL, "*vm-eval-pmatch-cdr*"); init_symbol (cell_vm_eval_set_x, TSPECIAL, "*vm-eval-set!*"); init_symbol (cell_vm_evlis, TSPECIAL, "*vm-evlis*"); init_symbol (cell_vm_evlis2, TSPECIAL, "*vm-evlis2*"); init_symbol (cell_vm_evlis3, TSPECIAL, "*vm-evlis3*"); init_symbol (cell_vm_if, TSPECIAL, "*vm-if*"); init_symbol (cell_vm_if_expr, TSPECIAL, "*vm-if-expr*"); init_symbol (cell_vm_macro_expand, TSPECIAL, "core:macro-expand"); init_symbol (cell_vm_macro_expand_car, TSPECIAL, "*vm:core:macro-expand-car*"); init_symbol (cell_vm_macro_expand_cdr, TSPECIAL, "*vm:macro-expand-cdr*"); init_symbol (cell_vm_macro_expand_define, TSPECIAL, "*vm:core:macro-expand-define*"); init_symbol (cell_vm_macro_expand_define_macro, TSPECIAL, "*vm:core:macro-expand-define-macro*"); init_symbol (cell_vm_macro_expand_lambda, TSPECIAL, "*vm:core:macro-expand-lambda*"); init_symbol (cell_vm_macro_expand_set_x, TSPECIAL, "*vm:core:macro-expand-set!*"); init_symbol (cell_vm_return, TSPECIAL, "*vm-return*"); init_symbol (cell_symbol_dot, TSYMBOL, "*dot*"); init_symbol (cell_symbol_lambda, TSYMBOL, "lambda"); init_symbol (cell_symbol_begin, TSYMBOL, "begin"); init_symbol (cell_symbol_if, TSYMBOL, "if"); init_symbol (cell_symbol_quote, TSYMBOL, "quote"); init_symbol (cell_symbol_define, TSYMBOL, "define"); init_symbol (cell_symbol_define_macro, TSYMBOL, "define-macro"); init_symbol (cell_symbol_quasiquote, TSYMBOL, "quasiquote"); init_symbol (cell_symbol_unquote, TSYMBOL, "unquote"); init_symbol (cell_symbol_unquote_splicing, TSYMBOL, "unquote-splicing"); init_symbol (cell_symbol_syntax, TSYMBOL, "syntax"); init_symbol (cell_symbol_quasisyntax, TSYMBOL, "quasisyntax"); init_symbol (cell_symbol_unsyntax, TSYMBOL, "unsyntax"); init_symbol (cell_symbol_unsyntax_splicing, TSYMBOL, "unsyntax-splicing"); init_symbol (cell_symbol_set_x, TSYMBOL, "set!"); init_symbol (cell_symbol_sc_expand, TSYMBOL, "sc-expand"); init_symbol (cell_symbol_macro_expand, TSYMBOL, "macro-expand"); init_symbol (cell_symbol_portable_macro_expand, TSYMBOL, "portable-macro-expand"); init_symbol (cell_symbol_sc_expander_alist, TSYMBOL, "*sc-expander-alist*"); init_symbol (cell_symbol_call_with_values, TSYMBOL, "call-with-values"); init_symbol (cell_symbol_call_with_current_continuation, TSYMBOL, "call-with-current-continuation"); init_symbol (cell_symbol_boot_module, TSYMBOL, "boot-module"); init_symbol (cell_symbol_current_module, TSYMBOL, "current-module"); init_symbol (cell_symbol_primitive_load, TSYMBOL, "primitive-load"); init_symbol (cell_symbol_read_input_file, TSYMBOL, "read-input-file"); init_symbol (cell_symbol_write, TSYMBOL, "write"); init_symbol (cell_symbol_display, TSYMBOL, "display"); init_symbol (cell_symbol_car, TSYMBOL, "car"); init_symbol (cell_symbol_cdr, TSYMBOL, "cdr"); init_symbol (cell_symbol_not_a_number, TSYMBOL, "not-a-number"); init_symbol (cell_symbol_not_a_pair, TSYMBOL, "not-a-pair"); init_symbol (cell_symbol_system_error, TSYMBOL, "system-error"); init_symbol (cell_symbol_throw, TSYMBOL, "throw"); init_symbol (cell_symbol_unbound_variable, TSYMBOL, "unbound-variable"); init_symbol (cell_symbol_wrong_number_of_args, TSYMBOL, "wrong-number-of-args"); init_symbol (cell_symbol_wrong_type_arg, TSYMBOL, "wrong-type-arg"); init_symbol (cell_symbol_buckets, TSYMBOL, "buckets"); init_symbol (cell_symbol_builtin, TSYMBOL, ""); init_symbol (cell_symbol_frame, TSYMBOL, ""); init_symbol (cell_symbol_hashq_table, TSYMBOL, ""); init_symbol (cell_symbol_module, TSYMBOL, ""); init_symbol (cell_symbol_procedure, TSYMBOL, "procedure"); init_symbol (cell_symbol_record_type, TSYMBOL, ""); init_symbol (cell_symbol_size, TSYMBOL, "size"); init_symbol (cell_symbol_stack, TSYMBOL, ""); init_symbol (cell_symbol_argv, TSYMBOL, "%argv"); init_symbol (cell_symbol_mes_datadir, TSYMBOL, "%datadir"); init_symbol (cell_symbol_mes_version, TSYMBOL, "%version"); init_symbol (cell_symbol_internal_time_units_per_second, TSYMBOL, "internal-time-units-per-second"); init_symbol (cell_symbol_compiler, TSYMBOL, "%compiler"); init_symbol (cell_symbol_arch, TSYMBOL, "%arch"); init_symbol (cell_symbol_pmatch_car, TSYMBOL, "pmatch-car"); init_symbol (cell_symbol_pmatch_cdr, TSYMBOL, "pmatch-cdr"); init_symbol (cell_type_bytes, TSYMBOL, ""); init_symbol (cell_type_char, TSYMBOL, ""); init_symbol (cell_type_closure, TSYMBOL, ""); init_symbol (cell_type_continuation, TSYMBOL, ""); init_symbol (cell_type_function, TSYMBOL, ""); init_symbol (cell_type_keyword, TSYMBOL, ""); init_symbol (cell_type_macro, TSYMBOL, ""); init_symbol (cell_type_number, TSYMBOL, ""); init_symbol (cell_type_pair, TSYMBOL, ""); init_symbol (cell_type_port, TSYMBOL, ""); init_symbol (cell_type_ref, TSYMBOL, ""); init_symbol (cell_type_special, TSYMBOL, ""); init_symbol (cell_type_string, TSYMBOL, ""); init_symbol (cell_type_struct, TSYMBOL, ""); init_symbol (cell_type_symbol, TSYMBOL, ""); init_symbol (cell_type_values, TSYMBOL, ""); init_symbol (cell_type_variable, TSYMBOL, ""); init_symbol (cell_type_vector, TSYMBOL, ""); init_symbol (cell_type_broken_heart, TSYMBOL, ""); init_symbol (cell_symbol_test, TSYMBOL, "%%test"); SCM a = cell_nil; a = acons (cell_symbol_call_with_values, cell_symbol_call_with_values, a); a = acons (cell_symbol_boot_module, cell_symbol_boot_module, 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_mes_version, MAKE_STRING0 (MES_VERSION), a); a = acons (cell_symbol_mes_datadir, MAKE_STRING0 (g_datadir), a); a = acons (cell_type_bytes, MAKE_NUMBER (TBYTES), a); a = acons (cell_type_char, MAKE_NUMBER (TCHAR), a); a = acons (cell_type_closure, MAKE_NUMBER (TCLOSURE), a); a = acons (cell_type_continuation, MAKE_NUMBER (TCONTINUATION), a); a = acons (cell_type_keyword, MAKE_NUMBER (TKEYWORD), a); a = acons (cell_type_macro, MAKE_NUMBER (TMACRO), a); a = acons (cell_type_number, MAKE_NUMBER (TNUMBER), a); a = acons (cell_type_pair, MAKE_NUMBER (TPAIR), a); a = acons (cell_type_port, MAKE_NUMBER (TPORT), a); a = acons (cell_type_ref, MAKE_NUMBER (TREF), a); a = acons (cell_type_special, MAKE_NUMBER (TSPECIAL), a); a = acons (cell_type_string, MAKE_NUMBER (TSTRING), a); a = acons (cell_type_struct, MAKE_NUMBER (TSTRUCT), a); a = acons (cell_type_symbol, MAKE_NUMBER (TSYMBOL), a); a = acons (cell_type_values, MAKE_NUMBER (TVALUES), a); a = acons (cell_type_variable, MAKE_NUMBER (TVARIABLE), a); a = acons (cell_type_vector, MAKE_NUMBER (TVECTOR), a); a = acons (cell_type_broken_heart, MAKE_NUMBER (TBROKEN_HEART), a); a = acons (cell_closure, a, a); return a; } SCM mes_environment (int argc, char *argv[]) { SCM a = mes_symbols (); char *compiler = "gnuc"; #if __MESC__ compiler = "mesc"; #elif __TINYC__ compiler = "tcc"; #endif a = acons (cell_symbol_compiler, MAKE_STRING0 (compiler), a); char *arch; #if __i386__ arch = "x86"; #elif __arm__ arch = "arm"; #elif __x86_64__ arch = "x86_64"; #else #error arch not supported #endif a = acons (cell_symbol_arch, MAKE_STRING0 (arch), a); #if !MES_MINI SCM lst = cell_nil; for (int i = argc - 1; i >= 0; i--) lst = cons (MAKE_STRING0 (argv[i]), lst); a = acons (cell_symbol_argv, lst, a); #endif return mes_g_stack (a); } SCM init_builtin (SCM builtin_type, char const *name, int arity, SCM (*function) (SCM), SCM a) { SCM s = cstring_to_symbol (name); return acons (s, make_builtin (builtin_type, symbol_to_string (s), MAKE_NUMBER (arity), MAKE_NUMBER (function)), a); } SCM make_builtin_type () ///(internal)) { SCM record_type = cell_symbol_record_type; SCM fields = cell_nil; fields = cons (cstring_to_symbol ("address"), fields); fields = cons (cstring_to_symbol ("arity"), fields); fields = cons (cstring_to_symbol ("name"), fields); fields = cons (fields, cell_nil); fields = cons (cell_symbol_builtin, fields); return make_struct (record_type, fields, cell_unspecified); } SCM make_builtin (SCM builtin_type, SCM name, SCM arity, SCM function) { SCM values = cell_nil; values = cons (function, values); values = cons (arity, values); values = cons (name, values); values = cons (cell_symbol_builtin, values); return make_struct (builtin_type, values, cstring_to_symbol ("builtin-printer")); } SCM builtin_name (SCM builtin) { return struct_ref_ (builtin, 3); } SCM builtin_arity (SCM builtin) { return struct_ref_ (builtin, 4); } #if __MESC__ long builtin_function (SCM builtin) { return VALUE (struct_ref_ (builtin, 5)); } #else SCM (*builtin_function (SCM builtin)) (SCM) { return (function1_t) VALUE (struct_ref_ (builtin, 5)); } #endif SCM builtin_p (SCM x) { return (TYPE (x) == TSTRUCT && struct_ref_ (x, 2) == cell_symbol_builtin) ? cell_t : cell_f; } SCM builtin_printer (SCM builtin) { fdputs ("#', __stdout); } SCM apply_builtin (SCM fn, SCM x) ///((internal)) { int arity = VALUE (builtin_arity (fn)); if ((arity > 0 || arity == -1) && x != cell_nil && TYPE (CAR (x)) == TVALUES) x = cons (CADAR (x), CDR (x)); if ((arity > 1 || arity == -1) && x != cell_nil && TYPE (CDR (x)) == TPAIR && TYPE (CADR (x)) == TVALUES) x = cons (CAR (x), cons (CDADAR (x), CDR (x))); #if __M2_PLANET__ FUNCTION fp = builtin_function (fn) if (arity == 0) return fp (); else if (arity == 1) return fp (CAR (x)); else if (arity == 2) return fp (CAR (x), CADR (x)); else if (arity == 3) return fp (CAR (x), CADR (x), CAR (CDDR (x))); else if (arity == -1) return fp (x); #else // !__M2_PLANET__ if (arity == 0) { //function0_t fp = f->function; SCM (*fp) (void) = (function0_t) builtin_function (fn); return fp (); } else if (arity == 1) { //function1_t fp = f->function; SCM (*fp) (SCM) = (function1_t) builtin_function (fn); return fp (CAR (x)); } else if (arity == 2) { //function2_t fp = f->function; SCM (*fp) (SCM, SCM) = (function2_t) builtin_function (fn); return fp (CAR (x), CADR (x)); } else if (arity == 3) { //function3_t fp = f->function; SCM (*fp) (SCM, SCM, SCM) = (function3_t) builtin_function (fn); return fp (CAR (x), CADR (x), CAR (CDDR (x))); } else if (arity == -1) { //functionn_t fp = f->function; SCM (*fp) (SCM) = (function1_t) builtin_function (fn); return fp (x); } #endif //! __M2_PLANET__ return cell_unspecified; } SCM mes_builtins (SCM a) ///((internal)) { // TODO minimal: cons, car, cdr, list, null_p, eq_p minus, plus // display_, display_error_, getenv SCM builtin_type = make_builtin_type (); // src/gc.mes a = init_builtin (builtin_type, "gc-check", 0, (function1_t) & gc_check, a); a = init_builtin (builtin_type, "gc", 0, (function1_t) & gc, a); // src/hash.mes a = init_builtin (builtin_type, "hashq", 2, (function1_t) & hashq, a); a = init_builtin (builtin_type, "hash", 2, (function1_t) & hash, a); a = init_builtin (builtin_type, "hashq-get-handle", 3, (function1_t) & hashq_get_handle, a); a = init_builtin (builtin_type, "hashq-ref", 3, (function1_t) & hashq_ref, a); a = init_builtin (builtin_type, "hash-ref", 3, (function1_t) & hash_ref, a); a = init_builtin (builtin_type, "hashq-set!", 3, (function1_t) & hashq_set_x, a); a = init_builtin (builtin_type, "hash-set!", 3, (function1_t) & hash_set_x, a); a = init_builtin (builtin_type, "hash-table-printer", 1, (function1_t) & hash_table_printer, a); a = init_builtin (builtin_type, "make-hash-table", 1, (function1_t) & make_hash_table, a); // src/lib.mes a = init_builtin (builtin_type, "core:display", 1, (function1_t) & display_, a); a = init_builtin (builtin_type, "core:display-error", 1, (function1_t) & display_error_, a); a = init_builtin (builtin_type, "core:display-port", 2, (function1_t) & display_port_, a); a = init_builtin (builtin_type, "core:write", 1, (function1_t) & write_, a); a = init_builtin (builtin_type, "core:write-error", 1, (function1_t) & write_error_, a); a = init_builtin (builtin_type, "core:write-port", 2, (function1_t) & write_port_, a); a = init_builtin (builtin_type, "exit", 1, (function1_t) & exit_, a); a = init_builtin (builtin_type, "frame-printer", 1, (function1_t) & frame_printer, a); a = init_builtin (builtin_type, "make-stack", -1, (function1_t) & make_stack, a); a = init_builtin (builtin_type, "stack-length", 1, (function1_t) & stack_length, a); a = init_builtin (builtin_type, "stack-ref", 2, (function1_t) & stack_ref, a); a = init_builtin (builtin_type, "xassq", 2, (function1_t) & xassq, a); a = init_builtin (builtin_type, "memq", 2, (function1_t) & memq, a); a = init_builtin (builtin_type, "equal2?", 2, (function1_t) & equal2_p, a); a = init_builtin (builtin_type, "last-pair", 1, (function1_t) & last_pair, a); a = init_builtin (builtin_type, "pair?", 1, (function1_t) & pair_p, a); // src/math.mes a = init_builtin (builtin_type, ">", -1, (function1_t) & greater_p, a); a = init_builtin (builtin_type, "<", -1, (function1_t) & less_p, a); a = init_builtin (builtin_type, "=", -1, (function1_t) & is_p, a); a = init_builtin (builtin_type, "-", -1, (function1_t) & minus, a); a = init_builtin (builtin_type, "+", -1, (function1_t) & plus, a); a = init_builtin (builtin_type, "/", -1, (function1_t) & divide, a); a = init_builtin (builtin_type, "modulo", 2, (function1_t) & modulo, a); a = init_builtin (builtin_type, "*", -1, (function1_t) & multiply, a); a = init_builtin (builtin_type, "logand", -1, (function1_t) & logand, a); a = init_builtin (builtin_type, "logior", -1, (function1_t) & logior, a); a = init_builtin (builtin_type, "lognot", 1, (function1_t) & lognot, a); a = init_builtin (builtin_type, "logxor", -1, (function1_t) & logxor, a); a = init_builtin (builtin_type, "ash", 2, (function1_t) & ash, a); // src/mes.mes a = init_builtin (builtin_type, "core:make-cell", 3, (function1_t) & make_cell_, a); a = init_builtin (builtin_type, "core:type", 1, (function1_t) & type_, a); a = init_builtin (builtin_type, "core:car", 1, (function1_t) & car_, a); a = init_builtin (builtin_type, "core:cdr", 1, (function1_t) & cdr_, a); a = init_builtin (builtin_type, "cons", 2, (function1_t) & cons, a); a = init_builtin (builtin_type, "car", 1, (function1_t) & car, a); a = init_builtin (builtin_type, "cdr", 1, (function1_t) & cdr, a); a = init_builtin (builtin_type, "list", -1, (function1_t) & list, a); a = init_builtin (builtin_type, "null?", 1, (function1_t) & null_p, a); a = init_builtin (builtin_type, "eq?", 2, (function1_t) & eq_p, a); a = init_builtin (builtin_type, "values", -1, (function1_t) & values, a); a = init_builtin (builtin_type, "acons", 3, (function1_t) & acons, a); a = init_builtin (builtin_type, "length", 1, (function1_t) & length, a); a = init_builtin (builtin_type, "error", 2, (function1_t) & error, a); a = init_builtin (builtin_type, "append2", 2, (function1_t) & append2, a); a = init_builtin (builtin_type, "append-reverse", 2, (function1_t) & append_reverse, a); a = init_builtin (builtin_type, "core:reverse!", 2, (function1_t) & reverse_x_, a); a = init_builtin (builtin_type, "pairlis", 3, (function1_t) & pairlis, a); a = init_builtin (builtin_type, "assq", 2, (function1_t) & assq, a); a = init_builtin (builtin_type, "assoc", 2, (function1_t) & assoc, a); a = init_builtin (builtin_type, "set-car!", 2, (function1_t) & set_car_x, a); a = init_builtin (builtin_type, "set-cdr!", 2, (function1_t) & set_cdr_x, a); a = init_builtin (builtin_type, "set-env!", 3, (function1_t) & set_env_x, a); a = init_builtin (builtin_type, "macro-get-handle", 1, (function1_t) & macro_get_handle, a); a = init_builtin (builtin_type, "add-formals", 2, (function1_t) & add_formals, a); a = init_builtin (builtin_type, "eval-apply", 0, (function1_t) & eval_apply, a); a = init_builtin (builtin_type, "make-builtin-type", 0, (function1_t) & make_builtin_type, a); a = init_builtin (builtin_type, "make-builtin", 4, (function1_t) & make_builtin, a); a = init_builtin (builtin_type, "builtin-name", 1, (function1_t) & builtin_name, a); a = init_builtin (builtin_type, "builtin-arity", 1, (function1_t) & builtin_arity, a); a = init_builtin (builtin_type, "builtin?", 1, (function1_t) & builtin_p, a); a = init_builtin (builtin_type, "builtin-printer", 1, (function1_t) & builtin_printer, a); // src/module.mes a = init_builtin (builtin_type, "make-module-type", 0, (function1_t) & make_module_type, a); a = init_builtin (builtin_type, "module-printer", 1, (function1_t) & module_printer, a); a = init_builtin (builtin_type, "module-variable", 2, (function1_t) & module_variable, a); a = init_builtin (builtin_type, "module-ref", 2, (function1_t) & module_ref, a); a = init_builtin (builtin_type, "module-define!", 3, (function1_t) & module_define_x, a); // src/posix.mes a = init_builtin (builtin_type, "peek-byte", 0, (function1_t) & peek_byte, a); a = init_builtin (builtin_type, "read-byte", 0, (function1_t) & read_byte, a); a = init_builtin (builtin_type, "unread-byte", 1, (function1_t) & unread_byte, a); a = init_builtin (builtin_type, "peek-char", 0, (function1_t) & peek_char, a); a = init_builtin (builtin_type, "read-char", -1, (function1_t) & read_char, a); a = init_builtin (builtin_type, "unread-char", 1, (function1_t) & unread_char, a); a = init_builtin (builtin_type, "write-char", -1, (function1_t) & write_char, a); a = init_builtin (builtin_type, "write-byte", -1, (function1_t) & write_byte, a); a = init_builtin (builtin_type, "getenv", 1, (function1_t) & getenv_, a); a = init_builtin (builtin_type, "setenv", 2, (function1_t) & setenv_, a); a = init_builtin (builtin_type, "access?", 2, (function1_t) & access_p, a); a = init_builtin (builtin_type, "current-input-port", 0, (function1_t) & current_input_port, a); a = init_builtin (builtin_type, "open-input-file", 1, (function1_t) & open_input_file, a); a = init_builtin (builtin_type, "open-input-string", 1, (function1_t) & open_input_string, a); a = init_builtin (builtin_type, "set-current-input-port", 1, (function1_t) & set_current_input_port, a); a = init_builtin (builtin_type, "current-output-port", 0, (function1_t) & current_output_port, a); a = init_builtin (builtin_type, "current-error-port", 0, (function1_t) & current_error_port, a); a = init_builtin (builtin_type, "open-output-file", -1, (function1_t) & open_output_file, a); a = init_builtin (builtin_type, "set-current-output-port", 1, (function1_t) & set_current_output_port, a); a = init_builtin (builtin_type, "set-current-error-port", 1, (function1_t) & set_current_error_port, a); a = init_builtin (builtin_type, "chmod", 2, (function1_t) & chmod_, a); a = init_builtin (builtin_type, "isatty?", 1, (function1_t) & isatty_p, a); a = init_builtin (builtin_type, "primitive-fork", 0, (function1_t) & primitive_fork, a); a = init_builtin (builtin_type, "execl", 2, (function1_t) & execl_, a); a = init_builtin (builtin_type, "core:waitpid", 2, (function1_t) & waitpid_, a); a = init_builtin (builtin_type, "current-time", 0, (function1_t) & current_time, a); a = init_builtin (builtin_type, "gettimeofday", 0, (function1_t) & gettimeofday_, a); a = init_builtin (builtin_type, "get-internal-run-time", 0, (function1_t) & get_internal_run_time, a); a = init_builtin (builtin_type, "getcwd", 0, (function1_t) & getcwd_, a); a = init_builtin (builtin_type, "dup", 1, (function1_t) & dup_, a); a = init_builtin (builtin_type, "dup2", 2, (function1_t) & dup2_, a); a = init_builtin (builtin_type, "delete-file", 1, (function1_t) & delete_file, a); // src/reader.mes a = init_builtin (builtin_type, "core:read-input-file-env", 2, (function1_t) & read_input_file_env_, a); a = init_builtin (builtin_type, "read-input-file-env", 1, (function1_t) & read_input_file_env, a); a = init_builtin (builtin_type, "read-env", 1, (function1_t) & read_env, a); a = init_builtin (builtin_type, "reader-read-sexp", 3, (function1_t) & reader_read_sexp, a); a = init_builtin (builtin_type, "reader-read-character", 0, (function1_t) & reader_read_character, a); a = init_builtin (builtin_type, "reader-read-binary", 0, (function1_t) & reader_read_binary, a); a = init_builtin (builtin_type, "reader-read-octal", 0, (function1_t) & reader_read_octal, a); a = init_builtin (builtin_type, "reader-read-hex", 0, (function1_t) & reader_read_hex, a); a = init_builtin (builtin_type, "reader-read-string", 0, (function1_t) & reader_read_string, a); // src/strings.mes a = init_builtin (builtin_type, "string=?", 2, (function1_t) & string_equal_p, a); a = init_builtin (builtin_type, "symbol->string", 1, (function1_t) & symbol_to_string, a); a = init_builtin (builtin_type, "symbol->keyword", 1, (function1_t) & symbol_to_keyword, a); a = init_builtin (builtin_type, "keyword->string", 1, (function1_t) & keyword_to_string, a); a = init_builtin (builtin_type, "string->symbol", 1, (function1_t) & string_to_symbol, a); a = init_builtin (builtin_type, "make-symbol", 1, (function1_t) & make_symbol, a); a = init_builtin (builtin_type, "string->list", 1, (function1_t) & string_to_list, a); a = init_builtin (builtin_type, "list->string", 1, (function1_t) & list_to_string, a); a = init_builtin (builtin_type, "read-string", -1, (function1_t) & read_string, a); a = init_builtin (builtin_type, "string-append", -1, (function1_t) & string_append, a); a = init_builtin (builtin_type, "string-length", 1, (function1_t) & string_length, a); a = init_builtin (builtin_type, "string-ref", 2, (function1_t) & string_ref, a); // src/struct.mes a = init_builtin (builtin_type, "make-struct", 3, (function1_t) & make_struct, a); a = init_builtin (builtin_type, "struct-length", 1, (function1_t) & struct_length, a); a = init_builtin (builtin_type, "struct-ref", 2, (function1_t) & struct_ref, a); a = init_builtin (builtin_type, "struct-set!", 3, (function1_t) & struct_set_x, a); // src/vector.mes a = init_builtin (builtin_type, "core:make-vector", 1, (function1_t) & make_vector_, a); a = init_builtin (builtin_type, "vector-length", 1, (function1_t) & vector_length, a); a = init_builtin (builtin_type, "vector-ref", 2, (function1_t) & vector_ref, a); a = init_builtin (builtin_type, "vector-entry", 1, (function1_t) & vector_entry, a); a = init_builtin (builtin_type, "vector-set!", 3, (function1_t) & vector_set_x, a); a = init_builtin (builtin_type, "list->vector", 1, (function1_t) & list_to_vector, a); a = init_builtin (builtin_type, "vector->list", 1, (function1_t) & vector_to_list, a); return a; } int try_open_boot (char *file_name, char const *boot, char const *location) { strcpy (file_name + strlen (file_name), boot); if (g_debug > 1) { eputs ("mes: reading boot-0 ["); eputs (location); eputs ("]: "); eputs (file_name); eputs ("\n"); } int fd = mes_open (file_name, O_RDONLY, 0); if (g_debug && fd > 0) { eputs ("mes: read boot-0: "); eputs (file_name); eputs ("\n"); } return fd; } void open_boot () { __stdin = -1; char boot[1024]; char file_name[1024]; strcpy (g_datadir, "."); if (getenv ("MES_BOOT")) strcpy (boot, getenv ("MES_BOOT")); else strcpy (boot, "boot-0.scm"); if (getenv ("MES_PREFIX")) { strcpy (g_datadir, getenv ("MES_PREFIX")); strcpy (g_datadir + strlen (g_datadir), "/mes"); strcpy (file_name, g_datadir); strcpy (file_name + strlen (file_name), "/module/mes/"); __stdin = try_open_boot (file_name, boot, "MES_PREFIX"); if (__stdin < 0) { strcpy (g_datadir, getenv ("MES_PREFIX")); strcpy (g_datadir + strlen (g_datadir), "/share/mes"); strcpy (file_name, g_datadir); strcpy (file_name + strlen (file_name), "/module/mes/"); __stdin = try_open_boot (file_name, boot, "MES_PREFIX/share/mes"); } } if (__stdin < 0) { g_datadir[0] = 0; if (getenv ("srcdest")) strcpy (g_datadir, getenv ("srcdest")); strcpy (g_datadir + strlen (g_datadir), "mes"); strcpy (file_name, g_datadir); strcpy (file_name + strlen (file_name), "/module/mes/"); __stdin = try_open_boot (file_name, boot, "${srcdest}mes"); } if (__stdin < 0) { file_name[0] = 0; __stdin = try_open_boot (file_name, boot, ""); } if (__stdin < 0) { eputs ("mes: boot failed: no such file: "); eputs (boot); eputs ("\n"); exit (1); } } SCM read_boot () ///((internal)) { r2 = read_input_file_env (r0); __stdin = STDIN; return r2; } void init () { char *p; if (p = getenv ("MES_DEBUG")) g_debug = atoi (p); open_boot (); gc_init (); g_ports = 1; } int main (int argc, char *argv[]) { init (); SCM a = mes_environment (argc, argv); a = mes_builtins (a); a = init_time (a); m0 = make_initial_module (a); g_macros = make_hash_table_ (0); if (g_debug > 5) module_printer (m0); SCM program = read_boot (); push_cc (r2, cell_unspecified, r0, cell_unspecified); if (g_debug > 2) { eputs ("\ngc stats: ["); eputs (itoa (g_free)); eputs ("]\n"); } if (g_debug > 3) { eputs ("program: "); write_error_ (r1); eputs ("\n"); } r3 = cell_vm_begin_expand; r1 = eval_apply (); if (g_debug) { write_error_ (r1); eputs ("\n"); } if (g_debug) { if (g_debug > 5) module_printer (m0); eputs ("\ngc stats: ["); eputs (itoa (g_free)); MAX_ARENA_SIZE = 0; gc (g_stack); eputs (" => "); eputs (itoa (g_free)); eputs ("]\n"); eputs ("\n"); if (g_debug > 5) { eputs ("ports:"); write_error_ (g_ports); eputs ("\n"); } eputs ("\n"); } return 0; }