core: Display me debuggor CPS+CC.
Having display in the core is handy for debugging. This is a courtesy commit intended to prevent bitrot. * GNUmakefile (mes.o): Depend on display. * mes.c: Include display. * display.c: New file.
This commit is contained in:
Jan Nieuwenhuizen
parent
d0f7db73f9
commit
134f39ce22
|
|
@ -30,6 +30,7 @@ all: mes module/mes/read-0.mo
|
|||
mes.o: GNUmakefile
|
||||
mes.o: mes.c
|
||||
mes.o: mes.c mes.h mes.i mes.environment.i mes.symbols.i
|
||||
mes.o: display.c display.h display.i display.environment.i
|
||||
mes.o: lib.c lib.h lib.i lib.environment.i
|
||||
mes.o: math.c math.h math.i math.environment.i
|
||||
mes.o: posix.c posix.h posix.i posix.environment.i
|
||||
|
|
|
|||
189
display.c
Normal file
189
display.c
Normal file
|
|
@ -0,0 +1,189 @@
|
|||
/* -*-comment-start: "//";comment-end:""-*-
|
||||
* Mes --- Maxwell Equations of Software
|
||||
* Copyright © 2016 Jan Nieuwenhuizen <janneke@gnu.org>
|
||||
*
|
||||
* This file is part of Mes.
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
* 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 Mes. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
scm char_eof = {CHAR, .name="*eof*", .value=-1};
|
||||
scm char_nul = {CHAR, .name="nul", .value=0};
|
||||
scm char_alarm = {CHAR, .name="alarm", .value=8};
|
||||
scm char_backspace = {CHAR, .name="backspace", .value=8};
|
||||
scm char_tab = {CHAR, .name="tab", .value=9};
|
||||
scm char_newline = {CHAR, .name="newline", .value=10};
|
||||
scm char_vtab = {CHAR, .name="vtab", .value=11};
|
||||
scm char_page = {CHAR, .name="page", .value=12};
|
||||
scm char_return = {CHAR, .name="return", .value=13};
|
||||
scm char_space = {CHAR, .name="space", .value=32};
|
||||
|
||||
SCM display_helper (FILE*, SCM , bool, char const*, bool);
|
||||
|
||||
SCM
|
||||
display (SCM x) ///((arity . n))
|
||||
{
|
||||
SCM e = car (x);
|
||||
SCM p = cdr (x);
|
||||
int fd = 1;
|
||||
if (TYPE (p) == PAIR && TYPE (car (p)) == NUMBER) fd = HITS (car (p));
|
||||
FILE *f = fd == 1 ? stdout : stderr;
|
||||
return display_helper (f, e, false, "", false);
|
||||
}
|
||||
|
||||
SCM
|
||||
newline (SCM p) ///((arity . n))
|
||||
{
|
||||
int fd = 1;
|
||||
if (TYPE (p) == PAIR && TYPE (car (p)) == NUMBER) fd = VALUE (car (p));
|
||||
FILE *f = fd == 1 ? stdout : stderr;
|
||||
fputs ("\n", f);
|
||||
return cell_unspecified;
|
||||
}
|
||||
|
||||
SCM
|
||||
display_ (FILE* f, SCM x)
|
||||
{
|
||||
return display_helper (f, x, false, "", false);
|
||||
}
|
||||
|
||||
// SCM
|
||||
// xassq (SCM x, SCM lst)
|
||||
// {
|
||||
// while (a != cell_nil && eq_p (x, CDAR (a)) == cell_f) a = CDR (a);
|
||||
// return a != cell_nil ? car (a) : cell_f;
|
||||
// }
|
||||
|
||||
SCM
|
||||
display_helper (FILE* f, SCM x, bool cont, char const *sep, bool quote)
|
||||
{
|
||||
SCM r;
|
||||
fprintf (f, "%s", sep);
|
||||
switch (TYPE (x))
|
||||
{
|
||||
case CHAR:
|
||||
{
|
||||
char const *name = 0;
|
||||
if (VALUE (x) == char_nul.value) name = char_nul.name;
|
||||
else if (VALUE (x) == char_alarm.value) name = char_alarm.name;
|
||||
else if (VALUE (x) == char_backspace.value) name = char_backspace.name;
|
||||
else if (VALUE (x) == char_tab.value) name = char_tab.name;
|
||||
else if (VALUE (x) == char_newline.value) name = char_newline.name;
|
||||
else if (VALUE (x) == char_vtab.value) name = char_vtab.name;
|
||||
else if (VALUE (x) == char_page.value) name = char_page.name;
|
||||
else if (VALUE (x) == char_return.value) name = char_return.name;
|
||||
else if (VALUE (x) == char_space.value) name = char_space.name;
|
||||
if (name) fprintf (f, "#\\%s", name);
|
||||
else fprintf (f, "#\\%c", VALUE (x));
|
||||
break;
|
||||
}
|
||||
case CLOSURE:
|
||||
{
|
||||
fprintf (f, "#<procedure ");
|
||||
SCM name = xassq (x, r0);
|
||||
if (TYPE (name) == PAIR) name = car (name);
|
||||
display_ (f, name);
|
||||
fprintf (f, " ");
|
||||
display_ (f, (cadr (CLOSURE (x))));
|
||||
fprintf (f, ">");
|
||||
return cell_unspecified;
|
||||
}
|
||||
case CONTINUATION:
|
||||
{
|
||||
fprintf (f, "#<continuation %d>", CAR (x));
|
||||
return cell_unspecified;
|
||||
}
|
||||
case MACRO:
|
||||
fprintf (f, "(*macro* ");
|
||||
display_helper (f, g_cells[x].macro, cont, sep, quote);
|
||||
fprintf (f, ")");
|
||||
break;
|
||||
case NUMBER: fprintf (f, "%d", VALUE (x)); break;
|
||||
case PAIR:
|
||||
{
|
||||
if (car (x) == cell_circular) {
|
||||
fprintf (f, "(*circ* . #-1#)");
|
||||
return cell_unspecified;
|
||||
}
|
||||
if (car (x) == cell_closure) {
|
||||
fprintf (f, "(*closure* . #-1#)");
|
||||
return cell_unspecified;
|
||||
}
|
||||
if (car (x) == cell_symbol_quote && TYPE (cdr (x)) != PAIR) {
|
||||
fprintf (f, "'");
|
||||
x = cdr (x);
|
||||
if (TYPE (x) == PAIR)
|
||||
x = car (x);
|
||||
return display_helper (f, x, cont, "", true);
|
||||
}
|
||||
if (!cont) fprintf (f, "(");
|
||||
if (x && x!= cell_nil) display_ (f, car (x));
|
||||
if (cdr (x) && TYPE (cdr (x)) == PAIR)
|
||||
display_helper (f, cdr (x), true, " ", false);
|
||||
else if (cdr (x) && cdr (x) != cell_nil) {
|
||||
fprintf (f, " . ");
|
||||
display_ (f, cdr (x));
|
||||
}
|
||||
if (!cont) fprintf (f, ")");
|
||||
break;
|
||||
}
|
||||
case VECTOR:
|
||||
{
|
||||
fprintf (f, "#(");
|
||||
for (int i = 0; i < LENGTH (x); i++) {
|
||||
if (TYPE (VECTOR (x)+i) == VECTOR
|
||||
|| (TYPE (VECTOR (x)+i) == REF
|
||||
&& TYPE (REF (VECTOR (x)+i)) == VECTOR))
|
||||
fprintf (f, "%s#(...)", i ? " " : "");
|
||||
else
|
||||
display_helper (f,VECTOR (x)+i, false, i ? " " : "", false);
|
||||
}
|
||||
fprintf (f, ")");
|
||||
break;
|
||||
}
|
||||
case REF: display_helper (f, g_cells[x].ref, cont, "", true); break;
|
||||
case FUNCTION:
|
||||
{
|
||||
fprintf (f, "#<procedure ");
|
||||
display_ (f, STRING (x));
|
||||
fprintf (f, " "); //
|
||||
switch (FUNCTION (x).arity)
|
||||
{
|
||||
case -1: fprintf (f, "(. x)"); break;
|
||||
case 0: fprintf (f, "()"); break;
|
||||
case 1: fprintf (f, "(x)"); break;
|
||||
case 2: fprintf (f, "(x y)"); break;
|
||||
case 3: fprintf (f, "(x y z)"); break;
|
||||
}
|
||||
fprintf (f, ">");
|
||||
break;
|
||||
}
|
||||
case BROKEN_HEART: fprintf (f, "<3"); break;
|
||||
case KEYWORD:
|
||||
fprintf (f, "#:");
|
||||
default:
|
||||
if (STRING (x))
|
||||
{
|
||||
SCM p = STRING (x);
|
||||
assert (p);
|
||||
while (p != cell_nil) {
|
||||
assert (TYPE (car (p)) == CHAR);
|
||||
fputc (VALUE (car (p)), f);
|
||||
p = cdr (p);
|
||||
}
|
||||
}
|
||||
else if (TYPE (x) != PAIR && NAME (x)) fprintf (f, "%s", NAME (x));
|
||||
}
|
||||
return cell_unspecified;
|
||||
}
|
||||
4
mes.c
4
mes.c
|
|
@ -175,6 +175,7 @@ SCM r1 = 0; // param 1
|
|||
SCM r2 = 0; // save 2+load/dump
|
||||
SCM r3 = 0; // continuation
|
||||
|
||||
#include "display.h"
|
||||
#include "lib.h"
|
||||
#include "math.h"
|
||||
#include "mes.h"
|
||||
|
|
@ -1093,11 +1094,13 @@ mes_builtins (SCM a)
|
|||
{
|
||||
#include "mes.i"
|
||||
|
||||
#include "display.i"
|
||||
#include "lib.i"
|
||||
#include "math.i"
|
||||
#include "posix.i"
|
||||
#include "reader.i"
|
||||
|
||||
#include "display.environment.i"
|
||||
#include "lib.environment.i"
|
||||
#include "math.environment.i"
|
||||
#include "mes.environment.i"
|
||||
|
|
@ -1141,6 +1144,7 @@ lookup_macro (SCM x, SCM a)
|
|||
}
|
||||
|
||||
FILE *g_stdin;
|
||||
#include "display.c"
|
||||
#include "lib.c"
|
||||
#include "math.c"
|
||||
#include "posix.c"
|
||||
|
|
|
|||
Loading…
Reference in a new issue