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Wire up more builtins and slightly improve printing

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This commit is contained in:
Max Regan
2022-10-28 23:45:08 -04:00
parent d97be8ec4b
commit 5dbe3c67af
3 changed files with 23 additions and 9 deletions
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4
src/builtins.c
View File

@@ -8,10 +8,6 @@
#include <string.h> #include <string.h>
#include <stdlib.h> #include <stdlib.h>
LISP_FUNC_0(ucl_builtin_hello_world) {
return ucl_string_create(strdup("Hello, world!"));
}
LISP_FUNC_1(ucl_builtin_type, arg) { LISP_FUNC_1(ucl_builtin_type, arg) {
switch (arg->type) { switch (arg->type) {
case UCL_TYPE_CELL: case UCL_TYPE_CELL:

1
src/builtins.h
View File

@@ -46,7 +46,6 @@
static struct ucl_object *func_name##_impl(struct ucl_object *arg0_name, struct ucl_object *arg1_name) static struct ucl_object *func_name##_impl(struct ucl_object *arg0_name, struct ucl_object *arg1_name)
struct ucl_object *ucl_builtin_hello_world(struct ucl_object *args);
struct ucl_object *ucl_builtin_error(struct ucl_object *args); struct ucl_object *ucl_builtin_error(struct ucl_object *args);
struct ucl_object *ucl_builtin_type(struct ucl_object *args); struct ucl_object *ucl_builtin_type(struct ucl_object *args);
struct ucl_object *ucl_builtin_symbol_p(struct ucl_object *args); struct ucl_object *ucl_builtin_symbol_p(struct ucl_object *args);

25
src/main.c
View File

@@ -17,13 +17,32 @@ int main(int argc, const char **argv) {
ucl_state_put(state, "/", ucl_builtin_create(ucl_builtin_div)); ucl_state_put(state, "/", ucl_builtin_create(ucl_builtin_div));
ucl_state_put(state, "%", ucl_builtin_create(ucl_builtin_mod)); ucl_state_put(state, "%", ucl_builtin_create(ucl_builtin_mod));
ucl_state_put(state, "concat", ucl_builtin_create(ucl_builtin_concat));
ucl_state_put(state, "error", ucl_builtin_create(ucl_builtin_error));
ucl_state_put(state, "type", ucl_builtin_create(ucl_builtin_type));
ucl_state_put(state, "symbol-p", ucl_builtin_create(ucl_builtin_symbol_p));
ucl_state_put(state, "string-p", ucl_builtin_create(ucl_builtin_string_p));
ucl_state_put(state, "int-p", ucl_builtin_create(ucl_builtin_int_p));
ucl_state_put(state, "list-p", ucl_builtin_create(ucl_builtin_list_p));
struct ucl_object *sexp = ucl_parse(argv[1]); struct ucl_object *sexp = ucl_parse(argv[1]);
struct ucl_object *result = ucl_evaluate(state, ucl_car(sexp)); struct ucl_object *result = ucl_evaluate(state, ucl_car(sexp));
assert(result != NULL); switch (result->type) {
assert(result->type == UCL_TYPE_INT); case UCL_TYPE_INT:
printf("%d\n", result->integer); printf("%d\n", result->integer);
break;
case UCL_TYPE_STRING:
printf("\"%s\"\n", result->string);
break;
case UCL_TYPE_SYMBOL:
printf("%s\n", result->string);
break;
case UCL_TYPE_ERROR:
printf("ERROR: %s\n", result->error);
return 1;
}
return 0; return 0;
} }