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authorKeith Packard <keithp@keithp.com>2017-11-17 22:14:19 -0800
committerKeith Packard <keithp@keithp.com>2017-11-17 22:14:19 -0800
commite1acf5eb12aceda7aa838df031c1da1129d0fa5d (patch)
treee0fe6c04b9f3f654e246616a78d1278e5d6c3cf5 /src/lisp/ao_lisp_builtin.c
parenta4e18a13029cc7b16b2ed9da84d6e606bc725ac3 (diff)
altos/lisp: Add apply
And all of the library routines that use it, map, string-map and friends. Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src/lisp/ao_lisp_builtin.c')
-rw-r--r--src/lisp/ao_lisp_builtin.c40
1 files changed, 33 insertions, 7 deletions
diff --git a/src/lisp/ao_lisp_builtin.c b/src/lisp/ao_lisp_builtin.c
index b2941d58..d37d0284 100644
--- a/src/lisp/ao_lisp_builtin.c
+++ b/src/lisp/ao_lisp_builtin.c
@@ -13,6 +13,7 @@
*/
#include "ao_lisp.h"
+#include <limits.h>
static int
builtin_size(void *addr)
@@ -44,15 +45,13 @@ const struct ao_lisp_type ao_lisp_builtin_type = {
#define AO_LISP_BUILTIN_CASENAME
#include "ao_lisp_builtin.h"
-#define _atomn(n) ao_lisp_poly_atom(_atom(n))
-
char *ao_lisp_args_name(uint8_t args) {
args &= AO_LISP_FUNC_MASK;
switch (args) {
- case AO_LISP_FUNC_LAMBDA: return _atomn(lambda)->name;
- case AO_LISP_FUNC_LEXPR: return _atomn(lexpr)->name;
- case AO_LISP_FUNC_NLAMBDA: return _atomn(nlambda)->name;
- case AO_LISP_FUNC_MACRO: return _atomn(macro)->name;
+ case AO_LISP_FUNC_LAMBDA: return ao_lisp_poly_atom(_ao_lisp_atom_lambda)->name;
+ case AO_LISP_FUNC_LEXPR: return ao_lisp_poly_atom(_ao_lisp_atom_lexpr)->name;
+ case AO_LISP_FUNC_NLAMBDA: return ao_lisp_poly_atom(_ao_lisp_atom_nlambda)->name;
+ case AO_LISP_FUNC_MACRO: return ao_lisp_poly_atom(_ao_lisp_atom_macro)->name;
default: return "???";
}
}
@@ -282,6 +281,7 @@ ao_lisp_math(struct ao_lisp_cons *cons, enum ao_lisp_builtin_id op)
while (cons) {
ao_poly car = cons->car;
+ ao_poly cdr;
uint8_t rt = ao_lisp_poly_type(ret);
uint8_t ct = ao_lisp_poly_type(car);
@@ -358,7 +358,10 @@ ao_lisp_math(struct ao_lisp_cons *cons, enum ao_lisp_builtin_id op)
else
return ao_lisp_error(AO_LISP_INVALID, "invalid args");
- cons = ao_lisp_poly_cons(cons->cdr);
+ cdr = cons->cdr;
+ if (cdr != AO_LISP_NIL && ao_lisp_poly_type(cdr) != AO_LISP_CONS)
+ return ao_lisp_error(AO_LISP_INVALID, "improper list");
+ cons = ao_lisp_poly_cons(cdr);
}
return ret;
}
@@ -574,6 +577,15 @@ ao_lisp_do_eval(struct ao_lisp_cons *cons)
}
ao_poly
+ao_lisp_do_apply(struct ao_lisp_cons *cons)
+{
+ if (!ao_lisp_check_argc(_ao_lisp_atom_apply, cons, 2, INT_MAX))
+ return AO_LISP_NIL;
+ ao_lisp_stack->state = eval_apply;
+ return ao_lisp_cons_poly(cons);
+}
+
+ao_poly
ao_lisp_do_read(struct ao_lisp_cons *cons)
{
if (!ao_lisp_check_argc(_ao_lisp_atom_read, cons, 0, 0))
@@ -652,6 +664,20 @@ ao_lisp_do_booleanp(struct ao_lisp_cons *cons)
return ao_lisp_do_typep(AO_LISP_BOOL, cons);
}
+ao_poly
+ao_lisp_do_procedurep(struct ao_lisp_cons *cons)
+{
+ if (!ao_lisp_check_argc(_ao_lisp_atom_led, cons, 1, 1))
+ return AO_LISP_NIL;
+ switch (ao_lisp_poly_type(ao_lisp_arg(cons, 0))) {
+ case AO_LISP_BUILTIN:
+ case AO_LISP_LAMBDA:
+ return _ao_lisp_bool_true;
+ default:
+ return _ao_lisp_bool_false;
+ }
+}
+
/* This one is special -- a list is either nil or
* a 'proper' list with only cons cells
*/