C++ (Cpp) jd_throw Examples

Example #1

File: exception.c Project: nevali/jsondata

static void go_deep(int depth) {
  JD_VAR(a);
  jd_sprintf(a, "depth=%d", depth);
  if (depth == 0)
    jd_throw("Reached the bottom");
  else
    go_deep(depth - 1);
}

Example #2

File: jd_path.c Project: AndyA/emitron

jd_var *jd_get_context(jd_var *root, jd_var *path,
                       jd_path_context *ctx, int vivify) {
  jd_var *ptr = NULL;

  JD_SCOPE {
    JD_2VARS(part, elt);

    if (path->type == ARRAY)
      jd_clone(part, path, 0);
    else
      jd_split(part, path, jd_nsv("."));

    if (!jd_shift(part, 1, elt) || jd_compare(elt, jd_nsv("$")))
      jd_throw("Bad path");

    for (ptr = root; ptr && jd_shift(part, 1, elt);) {
      if (ptr->type == VOID) {
        /* empty slot: type depends on key format */
        if (is_positive_int(elt))
          jd_set_array(ptr, 1);
        else
          jd_set_hash(ptr, 1);
      }

      if (ptr->type == ARRAY) {
        size_t ac = jd_count(ptr);
        jd_int ix = jd_get_int(elt);
        if (ix == ac && vivify)
          ptr = jd_push(ptr, 1);
        else if (ix < ac)
          ptr = jd_get_idx(ptr, ix);
        else {
          ptr = NULL;
        }
      }
      else if (ptr->type == HASH) {
        ptr = jd_get_key(ptr, elt, vivify);
      }
      else {
        jd_throw("Unexpected element in structure");
      }
    }
  }

  return ptr;
}

Example #3

File: jdtest.c Project: AndyA/emitron

int main(void) {
  try {
    JD_2VARS(a, b);
    jd_set_string(a, "This is A");
    jd_throw("Oops: a=%J", a);
    jd_set_bool(b, 1);
  }
  puts("cleanup");
  catch (e) jd_rethrow(e);

Example #4

File: exception.c Project: nevali/jsondata

static void test_throw_in_catch(void) {
  int volatile catch = 0, first = 0;

try {
  JD_SV(a, "first");
    jd_throw("Throw from %V block", a);
  }
  catch (e) {
    try {
      JD_SV(a, "catch");
      jd_throw("Throw from %V block", a);
    }
    catch (e) {
      jdt_is_string(jd_rv(e, "$.message"),
                    "Throw from catch block", "got throw catch");
      catch ++;
  }
  jdt_is_string(jd_rv(e, "$.message"),
                "Throw from first block", "got first catch");
    first++;
  }

Example #5

File: exception.c Project: nevali/jsondata

static void nest_deep(int depth) {
  try {
    JD_VAR(a);
    jd_sprintf(a, "depth=%d", depth);
    if (depth == 0)
      jd_throw("Reached the bottom");
    else
      nest_deep(depth - 1);
  }
  catch (e) {
    jd_rethrow(e);
  }
}

Example #6

static y4m2_output *filter__hook(jd_var *stash, const char *name,
                                 y4m2_output *out) {
  (void)stash;
  jd_var *fp = jd_get_ks(&filters, name, 0);
  if (!fp)
    jd_throw("Unknown filter \"%s\"", name);

  filter *filt = filter__clone(jd_ptr(fp));
  filt->ctx = NULL;
  filt->out = out;
  jd_set_object(jd_unshift(stash, 1), filt, filter__free_cb);
  return y4m2_output_next(filter__callback, filt);
}

Example #7

File: exception.c Project: nevali/jsondata

static void test_simple_throw(void) {
  try {
    JD_2VARS(a, b);
    jd_set_string(a, "This is A");
    jd_throw("Oops: a=%J", a);
    jd_set_bool(b, 1);
  }
  catch (e) {
    jdt_is_string(jd_rv(e, "$.message"),
                  "Oops: a=\"This is A\"",
                  "exception message matches");
    jd_release(e);
  }
}

Example #8

File: jd_array.c Project: AndyA/emitron

static unsigned cook_idx(int idx, size_t count, size_t max) {
  if (idx < 0) idx += count;
  if (idx < 0 || idx >= max)
    jd_throw("Array index %d out of bounds (0..%lu)", idx, (unsigned long) max);
  return (unsigned) idx;
}