X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=src%2Flisp%2Fao_lisp_poly.c;h=236176e76baffc91fc0bfeeedc9c78511b6d465d;hp=c6ca0a975f0d1077a133a3de7b0087dc4dac53f0;hb=bcf5eb5825b1217d74f117b02d09b4ce4b007beb;hpb=d2408e72d1e0d3459918601712b09860ab17e200

diff --git a/src/lisp/ao_lisp_poly.c b/src/lisp/ao_lisp_poly.c
index c6ca0a97..236176e7 100644
--- a/src/lisp/ao_lisp_poly.c
+++ b/src/lisp/ao_lisp_poly.c
@@ -14,34 +14,91 @@
 
 #include "ao_lisp.h"
 
-/*
+#if 0
+#define DBG(...) printf (__VA_ARGS__)
+#else
+#define DBG(...)
+#endif
 
-static const struct ao_lisp_builtin builtin_plus = {
-	.type = AO_LISP_BUILTIN,
-	.func = ao_lisp_plus,
-	.name = "+"
+struct ao_lisp_funcs {
+	void (*print)(ao_poly);
+	void (*patom)(ao_poly);
 };
 
-static const struct ao_lisp_atom atom_plus = {
-	.type = AO_LISP_ATOM,
-	.val = AO_LISP_OTHER_POLY(&builtin_plus),
-	.next = AO_LISP_ATOM_CONST,
-	.name = "plus"
+static const struct ao_lisp_funcs ao_lisp_funcs[AO_LISP_NUM_TYPE] = {
+	[AO_LISP_CONS] = {
+		.print = ao_lisp_cons_print,
+		.patom = ao_lisp_cons_patom,
+	},
+	[AO_LISP_STRING] = {
+		.print = ao_lisp_string_print,
+		.patom = ao_lisp_string_patom,
+	},
+	[AO_LISP_INT] = {
+		.print = ao_lisp_int_print,
+		.patom = ao_lisp_int_print,
+	},
+	[AO_LISP_ATOM] = {
+		.print = ao_lisp_atom_print,
+		.patom = ao_lisp_atom_print,
+	},
+	[AO_LISP_BUILTIN] = {
+		.print = ao_lisp_builtin_print,
+		.patom = ao_lisp_builtin_print,
+	},
+	[AO_LISP_FRAME] = {
+		.print = ao_lisp_frame_print,
+		.patom = ao_lisp_frame_print,
+	},
+	[AO_LISP_LAMBDA] = {
+		.print = ao_lisp_lambda_print,
+		.patom = ao_lisp_lambda_print,
+	},
 };
 
-static const struct ao_lisp_builtin builtin_minus = {
-	.type = AO_LISP_BUILTIN,
-	.func = ao_lisp_minus
-};
+static const struct ao_lisp_funcs *
+funcs(ao_poly p)
+{
+	uint8_t	type = ao_lisp_poly_type(p);
 
-static const struct ao_lisp_builtin builtin_times = {
-	.type = AO_LISP_BUILTIN,
-	.func = ao_lisp_times
-};
+	if (type < AO_LISP_NUM_TYPE)
+		return &ao_lisp_funcs[type];
+	return NULL;
+}
 
+void
+ao_lisp_poly_print(ao_poly p)
+{
+	const struct ao_lisp_funcs *f = funcs(p);
 
-const struct ao_lisp_atom const *ao_lisp_builtins[] = {
-	&atom_plus,
-	0
-};
-*/
+	if (f && f->print)
+		f->print(p);
+}
+
+void
+ao_lisp_poly_patom(ao_poly p)
+{
+	const struct ao_lisp_funcs *f = funcs(p);
+
+	if (f && f->patom)
+		f->patom(p);
+}
+
+void *
+ao_lisp_ref(ao_poly poly) {
+	if (poly == AO_LISP_NIL)
+		return NULL;
+	if (poly & AO_LISP_CONST)
+		return (void *) (ao_lisp_const + (poly & AO_LISP_REF_MASK) - 4);
+	return (void *) (ao_lisp_pool + (poly & AO_LISP_REF_MASK) - 4);
+}
+
+ao_poly
+ao_lisp_poly(const void *addr, ao_poly type) {
+	const uint8_t	*a = addr;
+	if (a == NULL)
+		return AO_LISP_NIL;
+	if (AO_LISP_IS_CONST(a))
+		return AO_LISP_CONST | (a - ao_lisp_const + 4) | type;
+	return (a - ao_lisp_pool + 4) | type;
+}