#include <stdint.h>
#include <string.h>
#include <ao_lisp_os.h>
+#ifndef __BYTE_ORDER
+#include <endian.h>
+#endif
typedef uint16_t ao_poly;
typedef int16_t ao_signed_poly;
#define AO_LISP_LAMBDA 7
#define AO_LISP_STACK 8
#define AO_LISP_BOOL 9
-#define AO_LISP_NUM_TYPE 10
+#define AO_LISP_BIGINT 10
+#define AO_LISP_NUM_TYPE 11
/* Leave two bits for types to use as they please */
#define AO_LISP_OTHER_TYPE_MASK 0x3f
uint16_t pad;
};
+struct ao_lisp_bigint {
+ uint32_t value;
+};
+
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+static inline uint32_t
+ao_lisp_int_bigint(int32_t i) {
+ return AO_LISP_BIGINT | (i << 8);
+}
+static inline int32_t
+ao_lisp_bigint_int(uint32_t bi) {
+ return (int32_t) bi >> 8;
+}
+#else
+static inline uint32_t
+ao_lisp_int_bigint(int32_t i) {
+ return (uint32_t) (i & 0xffffff) | (AO_LISP_BIGINT << 24);
+}
+static inlint int32_t
+ao_lisp_bigint_int(uint32_t bi) {
+ return (int32_t) (bi << 8) >> 8;
+}
+#endif
+
+#define AO_LISP_MIN_INT (-(1 << (15 - AO_LISP_TYPE_SHIFT)))
+#define AO_LISP_MAX_INT ((1 << (15 - AO_LISP_TYPE_SHIFT)) - 1)
+
+#define AO_LISP_NOT_INTEGER 0x7fffffff
+
/* Set on type when the frame escapes the lambda */
#define AO_LISP_FRAME_MARK 0x80
#define AO_LISP_FRAME_PRINT 0x40
return ao_lisp_poly(cons, AO_LISP_CONS);
}
-static inline int
+static inline int32_t
ao_lisp_poly_int(ao_poly poly)
{
- return (int) ((ao_signed_poly) poly >> AO_LISP_TYPE_SHIFT);
+ return (int32_t) ((ao_signed_poly) poly >> AO_LISP_TYPE_SHIFT);
}
static inline ao_poly
-ao_lisp_int_poly(int i)
+ao_lisp_int_poly(int32_t i)
{
return ((ao_poly) i << 2) | AO_LISP_INT;
}
+static inline struct ao_lisp_bigint *
+ao_lisp_poly_bigint(ao_poly poly)
+{
+ return ao_lisp_ref(poly);
+}
+
+static inline ao_poly
+ao_lisp_bigint_poly(struct ao_lisp_bigint *bi)
+{
+ return ao_lisp_poly(bi, AO_LISP_OTHER);
+}
+
static inline char *
ao_lisp_poly_string(ao_poly poly)
{
void
ao_lisp_int_write(ao_poly i);
+int32_t
+ao_lisp_poly_integer(ao_poly p);
+
+ao_poly
+ao_lisp_integer_poly(int32_t i);
+
+static inline int
+ao_lisp_integer_typep(uint8_t t)
+{
+ return (t == AO_LISP_INT) || (t == AO_LISP_BIGINT);
+}
+
+void
+ao_lisp_bigint_write(ao_poly i);
+
+extern const struct ao_lisp_type ao_lisp_bigint_type;
/* prim */
void
ao_lisp_poly_write(ao_poly p);