details: https://hg.nginx.org/njs/rev/a07722caaee3
branches:
changeset: 1163:a07722caaee3
user: Alexander Borisov <alexander.borisov@nginx.com>
date: Thu Sep 19 10:19:01 2019 +0300
description:
Added njs_value_property_delete().

diffstat:

src/njs_value.c | 65 +++++++++++++++++++++++++++++++++++++++++++
src/njs_value.h | 2 +
src/njs_vmcode.c | 83 ++++---------------------------------------------------
3 files changed, 74 insertions(+), 76 deletions(-)

diffs (191 lines):

diff -r e0f6fc8d0a3c -r a07722caaee3 src/njs_value.c
--- a/src/njs_value.c Thu Sep 19 10:19:00 2019 +0300
+++ b/src/njs_value.c Thu Sep 19 10:19:01 2019 +0300
@@ -1133,3 +1133,68 @@ found:

return NJS_OK;
}
+
+
+njs_int_t
+njs_value_property_delete(njs_vm_t *vm, njs_value_t *value, njs_value_t *key,
+ njs_value_t *removed)
+{
+ njs_int_t ret;
+ njs_object_prop_t *prop;
+ njs_property_query_t pq;
+
+ njs_property_query_init(&pq, NJS_PROPERTY_QUERY_DELETE, 1);
+
+ ret = njs_property_query(vm, &pq, value, key);
+ if (njs_slow_path(ret != NJS_OK)) {
+ return ret;
+ }
+
+ prop = pq.lhq.value;
+
+ if (njs_slow_path(!prop->configurable)) {
+ njs_type_error(vm, "Cannot delete property \"%V\" of %s",
+ &pq.lhq.key, njs_type_string(value->type));
+ return NJS_ERROR;
+ }
+
+ switch (prop->type) {
+ case NJS_PROPERTY_HANDLER:
+ if (njs_is_external(value)) {
+ ret = prop->value.data.u.prop_handler(vm, value, NULL, NULL);
+ if (njs_slow_path(ret != NJS_OK)) {
+ return NJS_ERROR;
+ }
+
+ return NJS_OK;
+ }
+
+ /* Fall through. */
+
+ case NJS_PROPERTY:
+ break;
+
+ case NJS_PROPERTY_REF:
+ if (removed != NULL) {
+ *removed = *prop->value.data.u.value;
+ }
+
+ njs_set_invalid(prop->value.data.u.value);
+ return NJS_OK;
+
+ default:
+ njs_internal_error(vm, "unexpected property type \"%s\" "
+ "while deleting", njs_prop_type_string(prop->type));
+ return NJS_ERROR;
+ }
+
+ /* GC: release value. */
+ if (removed != NULL) {
+ *removed = prop->value;
+ }
+
+ prop->type = NJS_WHITEOUT;
+ njs_set_invalid(&prop->value);
+
+ return NJS_OK;
+}
diff -r e0f6fc8d0a3c -r a07722caaee3 src/njs_value.h
--- a/src/njs_value.h Thu Sep 19 10:19:00 2019 +0300
+++ b/src/njs_value.h Thu Sep 19 10:19:01 2019 +0300
@@ -840,6 +840,8 @@ njs_int_t njs_value_property(njs_vm_t *v
njs_value_t *key, njs_value_t *retval);
njs_int_t njs_value_property_set(njs_vm_t *vm, njs_value_t *value,
njs_value_t *key, njs_value_t *setval);
+njs_int_t njs_value_property_delete(njs_vm_t *vm, njs_value_t *value,
+ njs_value_t *key, njs_value_t *removed);


njs_inline njs_int_t
diff -r e0f6fc8d0a3c -r a07722caaee3 src/njs_vmcode.c
--- a/src/njs_vmcode.c Thu Sep 19 10:19:00 2019 +0300
+++ b/src/njs_vmcode.c Thu Sep 19 10:19:01 2019 +0300
@@ -29,8 +29,6 @@ static njs_jump_off_t njs_vmcode_proto_i
njs_value_t *key, njs_value_t *retval);
static njs_jump_off_t njs_vmcode_property_in(njs_vm_t *vm,
njs_value_t *value, njs_value_t *key);
-static njs_jump_off_t njs_vmcode_property_delete(njs_vm_t *vm,
- njs_value_t *value, njs_value_t *key);
static njs_jump_off_t njs_vmcode_property_foreach(njs_vm_t *vm,
njs_value_t *object, njs_value_t *invld, u_char *pc);
static njs_jump_off_t njs_vmcode_property_next(njs_vm_t *vm,
@@ -453,7 +451,13 @@ next:
break;

case NJS_VMCODE_PROPERTY_DELETE:
- ret = njs_vmcode_property_delete(vm, value1, value2);
+ ret = njs_value_property_delete(vm, value1, value2, NULL);
+ if (njs_fast_path(ret != NJS_ERROR)) {
+ vm->retval = njs_value_true;
+
+ ret = sizeof(njs_vmcode_3addr_t);
+ }
+
break;

case NJS_VMCODE_PROPERTY_FOREACH:
@@ -1280,79 +1284,6 @@ njs_vmcode_property_in(njs_vm_t *vm, njs


static njs_jump_off_t
-njs_vmcode_property_delete(njs_vm_t *vm, njs_value_t *value, njs_value_t *key)
-{
- njs_jump_off_t ret;
- njs_object_prop_t *prop;
- njs_property_query_t pq;
-
- njs_property_query_init(&pq, NJS_PROPERTY_QUERY_DELETE, 1);
-
- ret = njs_property_query(vm, &pq, value, key);
-
- switch (ret) {
-
- case NJS_OK:
- prop = pq.lhq.value;
-
- if (njs_slow_path(!prop->configurable)) {
- njs_type_error(vm, "Cannot delete property \"%V\" of %s",
- &pq.lhq.key, njs_type_string(value->type));
- return NJS_ERROR;
- }
-
- switch (prop->type) {
- case NJS_PROPERTY_HANDLER:
- if (njs_is_external(value)) {
- ret = prop->value.data.u.prop_handler(vm, value, NULL, NULL);
- if (njs_slow_path(ret != NJS_OK)) {
- return NJS_ERROR;
- }
-
- goto done;
- }
-
- /* Fall through. */
-
- case NJS_PROPERTY:
- break;
-
- case NJS_PROPERTY_REF:
- njs_set_invalid(prop->value.data.u.value);
- goto done;
-
- default:
- njs_internal_error(vm, "unexpected property type \"%s\" "
- "while deleting",
- njs_prop_type_string(prop->type));
-
- return NJS_ERROR;
- }
-
- /* GC: release value. */
- prop->type = NJS_WHITEOUT;
- njs_set_invalid(&prop->value);
-
- break;
-
- case NJS_DECLINED:
- break;
-
- case NJS_ERROR:
- default:
-
- return ret;
- }
-
-done:
-
- vm->retval = njs_value_true;
-
- return sizeof(njs_vmcode_3addr_t);
-}
-
-
-static njs_jump_off_t
njs_vmcode_property_foreach(njs_vm_t *vm, njs_value_t *object,
njs_value_t *invld, u_char *pc)
{
_______________________________________________
nginx-devel mailing list
nginx-devel@nginx.org
http://mailman.nginx.org/mailman/listinfo/nginx-devel