altos/lisp: Add scheme-style bools (#t and #f)

[fw/altos] / src / lisp / ao_lisp_make_builtin

diff --git a/src/lisp/ao_lisp_make_builtin b/src/lisp/ao_lisp_make_builtin
new file mode 100644 (file)
index 0000000..5e98516
--- /dev/null
+++ b/src/lisp/ao_lisp_make_builtin
@@ -0,0 +1,149 @@
+#!/usr/bin/nickle
+
+typedef struct {
+       string  type;
+       string  c_name;
+       string  lisp_name;
+} builtin_t;
+
+string[string] type_map = {
+       "lambda" => "F_LAMBDA",
+       "nlambda" => "NLAMBDA",
+       "lexpr" => "F_LEXPR",
+       "macro" => "MACRO",
+};
+
+builtin_t
+read_builtin(file f) {
+       string  line = File::fgets(f);
+       string[*]       tokens = String::wordsplit(line, " \t");
+
+       return (builtin_t) {
+               .type = dim(tokens) > 0 ? type_map[tokens[0]] : "#",
+               .c_name = dim(tokens) > 1 ? tokens[1] : "#",
+               .lisp_name = dim(tokens) > 2 ? tokens[2] : tokens[1]
+       };
+}
+
+builtin_t[*]
+read_builtins(file f) {
+       builtin_t[...] builtins = {};
+
+       while (!File::end(f)) {
+               builtin_t       b = read_builtin(f);
+
+               if (b.type[0] != '#')
+                       builtins[dim(builtins)] = b;
+       }
+       return builtins;
+}
+
+void
+dump_ids(builtin_t[*] builtins) {
+       printf("#ifdef AO_LISP_BUILTIN_ID\n");
+       printf("#undef AO_LISP_BUILTIN_ID\n");
+       printf("enum ao_lisp_builtin_id {\n");
+       for (int i = 0; i < dim(builtins); i++)
+               printf("\tbuiltin_%s,\n", builtins[i].c_name);
+       printf("\t_builtin_last\n");
+       printf("};\n");
+       printf("#endif /* AO_LISP_BUILTIN_ID */\n");
+}
+
+void
+dump_casename(builtin_t[*] builtins) {
+       printf("#ifdef AO_LISP_BUILTIN_CASENAME\n");
+       printf("#undef AO_LISP_BUILTIN_CASENAME\n");
+       printf("static char *ao_lisp_builtin_name(enum ao_lisp_builtin_id b) {\n");
+       printf("\tswitch(b) {\n");
+       for (int i = 0; i < dim(builtins); i++)
+               printf("\tcase builtin_%s: return ao_lisp_poly_atom(_atom(%s))->name;\n",
+                      builtins[i].c_name, builtins[i].c_name);
+       printf("\tdefault: return \"???\";\n");
+       printf("\t}\n");
+       printf("}\n");
+       printf("#endif /* AO_LISP_BUILTIN_CASENAME */\n");
+}
+
+void
+cify_lisp(string l) {
+       for (int j = 0; j < String::length(l); j++) {
+               int c= l[j];
+               if (Ctype::isalnum(c) || c == '_')
+                       printf("%c", c);
+               else
+                       printf("%02x", c);
+       }
+}
+
+void
+dump_arrayname(builtin_t[*] builtins) {
+       printf("#ifdef AO_LISP_BUILTIN_ARRAYNAME\n");
+       printf("#undef AO_LISP_BUILTIN_ARRAYNAME\n");
+       printf("static const ao_poly builtin_names[] = {\n");
+       for (int i = 0; i < dim(builtins); i++) {
+               printf("\t[builtin_%s] = _ao_lisp_atom_",
+                      builtins[i].c_name);
+               cify_lisp(builtins[i].lisp_name);
+               printf(",\n");
+       }
+       printf("};\n");
+       printf("#endif /* AO_LISP_BUILTIN_ARRAYNAME */\n");
+}
+
+void
+dump_funcs(builtin_t[*] builtins) {
+       printf("#ifdef AO_LISP_BUILTIN_FUNCS\n");
+       printf("#undef AO_LISP_BUILTIN_FUNCS\n");
+       printf("const ao_lisp_func_t ao_lisp_builtins[] = {\n");
+       for (int i = 0; i < dim(builtins); i++) {
+               printf("\t[builtin_%s] = ao_lisp_do_%s,\n",
+                      builtins[i].c_name,
+                      builtins[i].c_name);
+       }
+       printf("};\n");
+       printf("#endif /* AO_LISP_BUILTIN_FUNCS */\n");
+}
+
+void
+dump_decls(builtin_t[*] builtins) {
+       printf("#ifdef AO_LISP_BUILTIN_DECLS\n");
+       printf("#undef AO_LISP_BUILTIN_DECLS\n");
+       for (int i = 0; i < dim(builtins); i++) {
+               printf("ao_poly\n");
+               printf("ao_lisp_do_%s(struct ao_lisp_cons *cons);\n",
+                      builtins[i].c_name);
+       }
+       printf("#endif /* AO_LISP_BUILTIN_DECLS */\n");
+}
+
+void
+dump_consts(builtin_t[*] builtins) {
+       printf("#ifdef AO_LISP_BUILTIN_CONSTS\n");
+       printf("#undef AO_LISP_BUILTIN_CONSTS\n");
+       printf("struct builtin_func funcs[] = {\n");
+       for (int i = 0; i < dim(builtins); i++) {
+               printf ("\t{ .name = \"%s\", .args = AO_LISP_FUNC_%s, .func = builtin_%s },\n",
+                       builtins[i].lisp_name, builtins[i].type, builtins[i].c_name);
+       }
+       printf("};\n");
+       printf("#endif /* AO_LISP_BUILTIN_CONSTS */\n");
+}
+
+void main() {
+       if (dim(argv) < 2) {
+               File::fprintf(stderr, "usage: %s <file>\n", argv[0]);
+               exit(1);
+       }
+       twixt(file f = File::open(argv[1], "r"); File::close(f)) {
+               builtin_t[*]    builtins = read_builtins(f);
+               dump_ids(builtins);
+               dump_casename(builtins);
+               dump_arrayname(builtins);
+               dump_funcs(builtins);
+               dump_decls(builtins);
+               dump_consts(builtins);
+       }
+}
+
+main();