--- /dev/null
+#!/usr/bin/nickle
+
+typedef struct {
+ string type;
+ string c_name;
+ string[*] lisp_names;
+} builtin_t;
+
+string[string] type_map = {
+ "lambda" => "LAMBDA",
+ "nlambda" => "NLAMBDA",
+ "macro" => "MACRO",
+ "f_lambda" => "F_LAMBDA",
+ "atom" => "atom",
+};
+
+string[*]
+make_lisp(string[*] tokens)
+{
+ string[...] lisp = {};
+
+ if (dim(tokens) < 3)
+ return (string[1]) { tokens[dim(tokens) - 1] };
+ return (string[dim(tokens)-2]) { [i] = tokens[i+2] };
+}
+
+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_names = make_lisp(tokens),
+ };
+}
+
+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;
+}
+
+bool is_atom(builtin_t b) = b.type == "atom";
+
+void
+dump_ids(builtin_t[*] builtins) {
+ printf("#ifdef AO_SCHEME_BUILTIN_ID\n");
+ printf("#undef AO_SCHEME_BUILTIN_ID\n");
+ printf("enum ao_scheme_builtin_id {\n");
+ for (int i = 0; i < dim(builtins); i++)
+ if (!is_atom(builtins[i]))
+ printf("\tbuiltin_%s,\n", builtins[i].c_name);
+ printf("\t_builtin_last\n");
+ printf("};\n");
+ printf("#endif /* AO_SCHEME_BUILTIN_ID */\n");
+}
+
+void
+dump_casename(builtin_t[*] builtins) {
+ printf("#ifdef AO_SCHEME_BUILTIN_CASENAME\n");
+ printf("#undef AO_SCHEME_BUILTIN_CASENAME\n");
+ printf("static char *ao_scheme_builtin_name(enum ao_scheme_builtin_id b) {\n");
+ printf("\tswitch(b) {\n");
+ for (int i = 0; i < dim(builtins); i++)
+ if (!is_atom(builtins[i]))
+ printf("\tcase builtin_%s: return ao_scheme_poly_atom(_atom(\"%s\"))->name;\n",
+ builtins[i].c_name, builtins[i].lisp_names[0]);
+ printf("\tdefault: return \"???\";\n");
+ printf("\t}\n");
+ printf("}\n");
+ printf("#endif /* AO_SCHEME_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_SCHEME_BUILTIN_ARRAYNAME\n");
+ printf("#undef AO_SCHEME_BUILTIN_ARRAYNAME\n");
+ printf("static const ao_poly builtin_names[] = {\n");
+ for (int i = 0; i < dim(builtins); i++) {
+ if (!is_atom(builtins[i])) {
+ printf("\t[builtin_%s] = _ao_scheme_atom_",
+ builtins[i].c_name);
+ cify_lisp(builtins[i].lisp_names[0]);
+ printf(",\n");
+ }
+ }
+ printf("};\n");
+ printf("#endif /* AO_SCHEME_BUILTIN_ARRAYNAME */\n");
+}
+
+void
+dump_funcs(builtin_t[*] builtins) {
+ printf("#ifdef AO_SCHEME_BUILTIN_FUNCS\n");
+ printf("#undef AO_SCHEME_BUILTIN_FUNCS\n");
+ printf("const ao_scheme_func_t ao_scheme_builtins[] = {\n");
+ for (int i = 0; i < dim(builtins); i++) {
+ if (!is_atom(builtins[i]))
+ printf("\t[builtin_%s] = ao_scheme_do_%s,\n",
+ builtins[i].c_name,
+ builtins[i].c_name);
+ }
+ printf("};\n");
+ printf("#endif /* AO_SCHEME_BUILTIN_FUNCS */\n");
+}
+
+void
+dump_decls(builtin_t[*] builtins) {
+ printf("#ifdef AO_SCHEME_BUILTIN_DECLS\n");
+ printf("#undef AO_SCHEME_BUILTIN_DECLS\n");
+ for (int i = 0; i < dim(builtins); i++) {
+ if (!is_atom(builtins[i])) {
+ printf("ao_poly\n");
+ printf("ao_scheme_do_%s(struct ao_scheme_cons *cons);\n",
+ builtins[i].c_name);
+ }
+ }
+ printf("#endif /* AO_SCHEME_BUILTIN_DECLS */\n");
+}
+
+void
+dump_consts(builtin_t[*] builtins) {
+ printf("#ifdef AO_SCHEME_BUILTIN_CONSTS\n");
+ printf("#undef AO_SCHEME_BUILTIN_CONSTS\n");
+ printf("struct builtin_func funcs[] = {\n");
+ for (int i = 0; i < dim(builtins); i++) {
+ if (!is_atom(builtins[i])) {
+ for (int j = 0; j < dim(builtins[i].lisp_names); j++) {
+ printf ("\t{ .name = \"%s\", .args = AO_SCHEME_FUNC_%s, .func = builtin_%s },\n",
+ builtins[i].lisp_names[j],
+ builtins[i].type,
+ builtins[i].c_name);
+ }
+ }
+ }
+ printf("};\n");
+ printf("#endif /* AO_SCHEME_BUILTIN_CONSTS */\n");
+}
+
+void
+dump_atoms(builtin_t[*] builtins) {
+ printf("#ifdef AO_SCHEME_BUILTIN_ATOMS\n");
+ printf("#undef AO_SCHEME_BUILTIN_ATOMS\n");
+ for (int i = 0; i < dim(builtins); i++) {
+ for (int j = 0; j < dim(builtins[i].lisp_names); j++) {
+ printf("#define _ao_scheme_atom_");
+ cify_lisp(builtins[i].lisp_names[j]);
+ printf(" _atom(\"%s\")\n", builtins[i].lisp_names[j]);
+ }
+ }
+ printf("#endif /* AO_SCHEME_BUILTIN_ATOMS */\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);
+ dump_atoms(builtins);
+ }
+}
+
+main();