#include "ao_lisp.h"
#include <stdlib.h>
+#include <ctype.h>
static struct ao_lisp_builtin *
ao_lisp_make_builtin(enum ao_lisp_builtin_id func, int args) {
"cdr", AO_LISP_LEXPR, builtin_cdr,
"cons", AO_LISP_LEXPR, builtin_cons,
"quote", AO_LISP_NLAMBDA,builtin_quote,
+ "set", AO_LISP_LEXPR, builtin_set,
+ "setq", AO_LISP_MACRO, builtin_setq,
+ "cond", AO_LISP_NLAMBDA,builtin_cond,
"print", AO_LISP_LEXPR, builtin_print,
"+", AO_LISP_LEXPR, builtin_plus,
"-", AO_LISP_LEXPR, builtin_minus,
"*", AO_LISP_LEXPR, builtin_times,
"/", AO_LISP_LEXPR, builtin_divide,
- "%", AO_LISP_LEXPR, builtin_mod
+ "%", AO_LISP_LEXPR, builtin_mod,
+ "=", AO_LISP_LEXPR, builtin_equal,
+ "<", AO_LISP_LEXPR, builtin_less,
+ ">", AO_LISP_LEXPR, builtin_greater,
+ "<=", AO_LISP_LEXPR, builtin_less_equal,
+ ">=", AO_LISP_LEXPR, builtin_greater_equal,
};
+ao_poly
+ao_lisp_set_cond(struct ao_lisp_cons *c)
+{
+ (void) c;
+ return AO_LISP_NIL;
+}
+
#define N_FUNC (sizeof funcs / sizeof funcs[0])
+/* Syntactic atoms */
+char *atoms[] = {
+ "lambda",
+ "nlambda",
+ "lexpr",
+ "macro"
+};
+
+#define N_ATOM (sizeof atoms / sizeof atoms[0])
+
+struct ao_lisp_frame *globals;
+
+static int
+is_atom(int offset)
+{
+ struct ao_lisp_atom *a;
+
+ for (a = ao_lisp_atoms; a; a = ao_lisp_poly_atom(a->next))
+ if (((uint8_t *) a->name - ao_lisp_const) == offset)
+ return strlen(a->name);
+ return 0;
+}
+
int
main(int argc, char **argv)
{
- int f, o;
+ int f, o, i;
ao_poly atom, val;
+ struct ao_lisp_atom *a;
+ struct ao_lisp_builtin *b;
+ int in_atom;
+ printf("/*\n");
+ printf(" * Generated file, do not edit\n");
+ ao_lisp_root_add(&ao_lisp_frame_type, &globals);
+ globals = ao_lisp_frame_new(0);
for (f = 0; f < N_FUNC; f++) {
- struct ao_lisp_builtin *b = ao_lisp_make_builtin(funcs[f].func, funcs[f].args);
- struct ao_lisp_atom *a = ao_lisp_atom_intern(funcs[f].name);
- a->val = ao_lisp_builtin_poly(b);
+ b = ao_lisp_make_builtin(funcs[f].func, funcs[f].args);
+ a = ao_lisp_atom_intern(funcs[f].name);
+ globals = ao_lisp_frame_add(globals, ao_lisp_atom_poly(a), ao_lisp_builtin_poly(b));
}
+ /* atoms for syntax */
+ for (i = 0; i < N_ATOM; i++)
+ (void) ao_lisp_atom_intern(atoms[i]);
+
+ /* boolean constants */
+ a = ao_lisp_atom_intern("nil");
+ globals = ao_lisp_frame_add(globals, ao_lisp_atom_poly(a), AO_LISP_NIL);
+ a = ao_lisp_atom_intern("t");
+ globals = ao_lisp_frame_add(globals, ao_lisp_atom_poly(a), ao_lisp_atom_poly(a));
+
for (;;) {
atom = ao_lisp_read();
if (!atom)
fprintf(stderr, "input must be atom val pairs\n");
exit(1);
}
- ao_lisp_poly_atom(atom)->val = val;
+ globals = ao_lisp_frame_add(globals, atom, val);
}
- printf("/* constant objects, all referenced from atoms */\n\n");
+ /* Reduce to referenced values */
+ ao_lisp_collect();
+ printf(" */\n");
+
printf("#define AO_LISP_POOL_CONST %d\n", ao_lisp_top);
printf("extern const uint8_t ao_lisp_const[AO_LISP_POOL_CONST] __attribute__((aligned(4)));\n");
printf("#define ao_builtin_atoms 0x%04x\n", ao_lisp_atom_poly(ao_lisp_atoms));
+ printf("#define ao_builtin_frame 0x%04x\n", ao_lisp_frame_poly(globals));
+
+ for (a = ao_lisp_atoms; a; a = ao_lisp_poly_atom(a->next)) {
+ char *n = a->name, c;
+ printf ("#define _ao_lisp_atom_");
+ while ((c = *n++)) {
+ if (isalnum(c))
+ printf("%c", c);
+ else
+ printf("%02x", c);
+ }
+ printf(" 0x%04x\n", ao_lisp_atom_poly(a));
+ }
printf("#ifdef AO_LISP_CONST_BITS\n");
printf("const uint8_t ao_lisp_const[] = {");
for (o = 0; o < ao_lisp_top; o++) {
+ uint8_t c;
if ((o & 0xf) == 0)
printf("\n\t");
else
printf(" ");
- printf("0x%02x,", ao_lisp_const[o]);
+ c = ao_lisp_const[o];
+ if (!in_atom)
+ in_atom = is_atom(o);
+ if (in_atom) {
+ printf (" '%c',", c);
+ in_atom--;
+ } else {
+ printf("0x%02x,", c);
+ }
}
printf("\n};\n");
printf("#endif /* AO_LISP_CONST_BITS */\n");