git.delta.rocks / jrsonnet / refs/commits / 96690c796f43

1616
17#include "libjsonnet.h"17#include "libjsonnet.h"
18
19typedef struct JsonnetJsonValue* val_t;
20typedef struct JsonnetVm* vm_t;
21
22typedef struct native_ctx_t {
23    vm_t vm
24} native_ctx_t;
25
26val_t native_add(void* nctx, const struct JsonnetJsonValue* const* argv, int* success) {
27    native_ctx_t* ctx = nctx;
28    double a;
29    double b;
30    jsonnet_json_extract_number(ctx->vm, argv[0], &a);
31    jsonnet_json_extract_number(ctx->vm, argv[1], &b);
32    *success = 1;
33    return jsonnet_json_make_number(ctx->vm, a + b);
34}
1835
19int main(int argc, const char **argv)36int main(int argc, const char **argv)
20{37{
27    }44    }
28    vm = jsonnet_make();45    vm = jsonnet_make();
46
47    native_ctx_t* native_ctx = malloc(sizeof(native_ctx_t));
48    native_ctx->vm = vm;
49    const char* params[3] = {"a", "b", NULL};
50    jsonnet_native_callback(vm, "nativeAdd", native_add, native_ctx, params);
51
29    output = jsonnet_evaluate_file(vm, argv[1], &error);52    output = jsonnet_evaluate_file(vm, argv[1], &error);
30    if (error) {53    if (error) {
35    }58    }
36    printf("%s", output);59    printf("%s", output);
37    jsonnet_realloc(vm, output, 0);60    jsonnet_realloc(vm, output, 0);
61    free(native_ctx);
38    jsonnet_destroy(vm);62    jsonnet_destroy(vm);
39    return EXIT_SUCCESS;63    return EXIT_SUCCESS;
40}64}