altos/scheme: Add ports. Split scheme code up.

And lots of other changes, including freeing unreferenced atoms.

Signed-off-by: Keith Packard <keithp@keithp.com>

1 files changed, 54 insertions, 9 deletions

diff --git a/src/scheme/ao_scheme_int.c b/src/scheme/ao_scheme_int.c
index 01b571c0..2c9e45a0 100644
--- a/src/scheme/ao_scheme_int.c
+++ b/src/scheme/ao_scheme_int.c
@@ -15,28 +15,73 @@
 #include "ao_scheme.h"
 
 void
-ao_scheme_int_write(ao_poly p, bool write)
+ao_scheme_int_write(FILE *out, ao_poly p, bool write)
 {
 	int i = ao_scheme_poly_int(p);
 	(void) write;
-	printf("%d", i);
+	fprintf(out, "%d", i);
+}
+
+ao_poly
+ao_scheme_do_integerp(struct ao_scheme_cons *cons)
+{
+#ifdef AO_SCHEME_FEATURE_BIGINT
+	ao_poly val;
+
+	if (!ao_scheme_parse_args(_ao_scheme_atom_pair3f, cons,
+				  AO_SCHEME_POLY, &val,
+				  AO_SCHEME_ARG_END))
+		return AO_SCHEME_NIL;
+	switch (ao_scheme_poly_type(val)) {
+	case AO_SCHEME_INT:
+	case AO_SCHEME_BIGINT:
+		return _ao_scheme_bool_true;
+	default:
+		return _ao_scheme_bool_false;
+	}
+#else
+	return ao_scheme_do_typep(_ao_scheme_atom_integer3f, AO_SCHEME_INT, cons);
+#endif
+}
+
+ao_poly
+ao_scheme_do_numberp(struct ao_scheme_cons *cons)
+{
+#if defined(AO_SCHEME_FEATURE_BIGINT) || defined(AO_SCHEME_FEATURE_FLOAT)
+	ao_poly val;
+
+	if (!ao_scheme_parse_args(_ao_scheme_atom_pair3f, cons,
+				  AO_SCHEME_POLY, &val,
+				  AO_SCHEME_ARG_END))
+		return AO_SCHEME_NIL;
+	switch (ao_scheme_poly_type(val)) {
+	case AO_SCHEME_INT:
+#ifdef AO_SCHEME_FEATURE_BIGINT
+	case AO_SCHEME_BIGINT:
+#endif
+#ifdef AO_SCHEME_FEATURE_FLOAT
+	case AO_SCHEME_FLOAT:
+#endif
+		return _ao_scheme_bool_true;
+	default:
+		return _ao_scheme_bool_false;
+	}
+#else
+	return ao_scheme_do_integerp(cons);
+#endif
 }
 
 #ifdef AO_SCHEME_FEATURE_BIGINT
 
 int32_t
-ao_scheme_poly_integer(ao_poly p, bool *fail)
+ao_scheme_poly_integer(ao_poly p)
 {
-	if (fail)
-		*fail = false;
 	switch (ao_scheme_poly_base_type(p)) {
 	case AO_SCHEME_INT:
 		return ao_scheme_poly_int(p);
 	case AO_SCHEME_BIGINT:
 		return ao_scheme_poly_bigint(p)->value;
 	}
-	if (fail)
-		*fail = true;
 	return 0;
 }
 
@@ -77,11 +122,11 @@ const struct ao_scheme_type ao_scheme_bigint_type = {
 };
 
 void
-ao_scheme_bigint_write(ao_poly p, bool write)
+ao_scheme_bigint_write(FILE *out, ao_poly p, bool write)
 {
 	struct ao_scheme_bigint	*bi = ao_scheme_poly_bigint(p);
 
 	(void) write;
-	printf("%d", bi->value);
+	fprintf(out, "%d", bi->value);
 }
 #endif /* AO_SCHEME_FEATURE_BIGINT */