Dmitry Volyntsev
February 10, 2020 11:04AM
details: https://hg.nginx.org/njs/rev/5bd15bd3766c
branches:
changeset: 1324:5bd15bd3766c
user: Dmitry Volyntsev <xeioex@nginx.com>
date: Mon Feb 10 17:39:41 2020 +0300
description:
Filtering out integer indices in njs_object_completions().

This closes #285 issue on Github.

diffstat:

src/njs_builtin.c | 123 +++++++++++++---------------------------------
test/njs_expect_test.exp | 21 ++++++++
2 files changed, 57 insertions(+), 87 deletions(-)

diffs (189 lines):

diff -r 79c14715edc2 -r 5bd15bd3766c src/njs_builtin.c
--- a/src/njs_builtin.c Mon Feb 10 17:09:53 2020 +0300
+++ b/src/njs_builtin.c Mon Feb 10 17:39:41 2020 +0300
@@ -24,7 +24,7 @@ typedef struct {

static njs_arr_t *njs_vm_expression_completions(njs_vm_t *vm,
njs_str_t *expression);
-static njs_arr_t *njs_object_completions(njs_vm_t *vm, njs_object_t *object);
+static njs_arr_t *njs_object_completions(njs_vm_t *vm, njs_value_t *object);
static njs_int_t njs_env_hash_init(njs_vm_t *vm, njs_lvlhsh_t *hash,
char **environment);

@@ -633,110 +633,59 @@ njs_vm_expression_completions(njs_vm_t *
value = &prop->value;
}

- return njs_object_completions(vm, njs_object(value));
+ return njs_object_completions(vm, value);
}


static njs_arr_t *
-njs_object_completions(njs_vm_t *vm, njs_object_t *object)
+njs_object_completions(njs_vm_t *vm, njs_value_t *object)
{
- size_t size;
- njs_str_t *compl;
- njs_arr_t *completions;
- njs_uint_t n, k;
- njs_object_t *o;
- njs_object_prop_t *prop;
- njs_lvlhsh_each_t lhe;
-
- size = 0;
- o = object;
-
- do {
- njs_lvlhsh_each_init(&lhe, &njs_object_hash_proto);
-
- for ( ;; ) {
- prop = njs_lvlhsh_each(&o->hash, &lhe);
- if (prop == NULL) {
- break;
- }
+ double num;
+ njs_arr_t *array;
+ njs_str_t *completion;
+ njs_uint_t n;
+ njs_array_t *keys;
+ njs_value_type_t type;

- size++;
- }
-
- njs_lvlhsh_each_init(&lhe, &njs_object_hash_proto);
-
- for ( ;; ) {
- prop = njs_lvlhsh_each(&o->shared_hash, &lhe);
- if (prop == NULL) {
- break;
- }
+ array = NULL;
+ type = object->type;

- size++;
- }
-
- o = o->__proto__;
+ if (type == NJS_ARRAY || type == NJS_TYPED_ARRAY) {
+ object->type = NJS_OBJECT;
+ }

- } while (o != NULL);
-
- completions = njs_arr_create(vm->mem_pool, size, sizeof(njs_str_t));
- if (njs_slow_path(completions == NULL)) {
- return NULL;
+ keys = njs_value_enumerate(vm, object, NJS_ENUM_KEYS, NJS_ENUM_STRING, 1);
+ if (njs_slow_path(keys == NULL)) {
+ goto done;
}

- n = 0;
- o = object;
- compl = completions->start;
-
- do {
- njs_lvlhsh_each_init(&lhe, &njs_object_hash_proto);
+ array = njs_arr_create(vm->mem_pool, 8, sizeof(njs_str_t));
+ if (njs_slow_path(array == NULL)) {
+ goto done;
+ }

- for ( ;; ) {
- prop = njs_lvlhsh_each(&o->hash, &lhe);
- if (prop == NULL) {
- break;
- }
+ for (n = 0; n < keys->length; n++) {
+ num = njs_key_to_index(&keys->start[n]);

- njs_string_get(&prop->name, &compl[n]);
-
- for (k = 0; k < n; k++) {
- if (njs_strstr_eq(&compl[k], &compl[n])) {
- break;
- }
+ if (!njs_key_is_integer_index(num, &keys->start[n])) {
+ completion = njs_arr_add(array);
+ if (njs_slow_path(completion == NULL)) {
+ njs_arr_destroy(array);
+ array = NULL;
+ goto done;
}

- if (k == n) {
- n++;
- }
+ njs_string_get(&keys->start[n], completion);
}
-
- njs_lvlhsh_each_init(&lhe, &njs_object_hash_proto);
+ }

- for ( ;; ) {
- prop = njs_lvlhsh_each(&o->shared_hash, &lhe);
- if (prop == NULL) {
- break;
- }
-
- njs_string_get(&prop->name, &compl[n]);
+done:

- for (k = 0; k < n; k++) {
- if (njs_strstr_eq(&compl[k], &compl[n])) {
- break;
- }
- }
+ if (type == NJS_ARRAY || type == NJS_TYPED_ARRAY) {
+ object->type = type;
+ }

- if (k == n) {
- n++;
- }
- }
-
- o = o->__proto__;
-
- } while (o != NULL);
-
- completions->items = n;
-
- return completions;
+ return array;
}


diff -r 79c14715edc2 -r 5bd15bd3766c test/njs_expect_test.exp
--- a/test/njs_expect_test.exp Mon Feb 10 17:09:53 2020 +0300
+++ b/test/njs_expect_test.exp Mon Feb 10 17:39:41 2020 +0300
@@ -192,6 +192,27 @@ njs_test {
"o.a.toDateString*o.a.toLocaleDateString*o.a.toString"}
}

+njs_test {
+ {"var o = {a:1,b:2,333:'t'}\r\n"
+ "var o = {a:1,b:2,333:'t'}\r\nundefined\r\n>> "}
+ {"o.3\t\t"
+ "o.3"}
+}
+
+njs_test {
+ {"var a = Array(5000000); a.aab = 1; a.aac = 2\r\n"
+ "var a = Array(5000000); a.aab = 1; a.aac = 2\r\n2\r\n>> "}
+ {"a.\t\t"
+ "a.aab*"}
+}
+
+njs_test {
+ {"var a = new Uint8Array([5,6,7,8,8]); a.aab = 1; a.aac = 2\r\n"
+ "var a = new Uint8Array(\\\[5,6,7,8,8]); a.aab = 1; a.aac = 2\r\n2\r\n>> "}
+ {"a.\t\t"
+ "a.aab*"}
+}
+
# function declarations in interactive mode
njs_test {
{"function a() { return 1; }\r\n"
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[njs] Filtering out integer indices in njs_object_completions().

Dmitry Volyntsev 90 February 10, 2020 11:04AM



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