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/*
* Copyright (C) Roman Arutyunyan
* Copyright (C) Dmitry Volyntsev
* Copyright (C) NGINX, Inc.
*/
#include <ngx_config.h>
#include <ngx_core.h>
#include "ngx_js.h"
ngx_int_t
ngx_js_call(njs_vm_t *vm, ngx_str_t *fname, njs_opaque_value_t *value,
ngx_log_t *log)
{
njs_str_t name, exception;
njs_function_t *func;
name.start = fname->data;
name.length = fname->len;
func = njs_vm_function(vm, &name);
if (func == NULL) {
ngx_log_error(NGX_LOG_ERR, log, 0,
"js function \"%V\" not found", fname);
return NGX_ERROR;
}
if (njs_vm_call(vm, func, njs_value_arg(value), 1) != NJS_OK) {
njs_vm_retval_string(vm, &exception);
ngx_log_error(NGX_LOG_ERR, log, 0,
"js exception: %*s", exception.length, exception.start);
return NGX_ERROR;
}
if (njs_vm_pending(vm)) {
return NGX_AGAIN;
}
return NGX_OK;
}
njs_int_t
ngx_js_ext_string(njs_vm_t *vm, njs_object_prop_t *prop, njs_value_t *value,
njs_value_t *setval, njs_value_t *retval)
{
char *p;
ngx_str_t *field;
p = njs_vm_external(vm, value);
if (p == NULL) {
njs_value_undefined_set(retval);
return NJS_DECLINED;
}
field = (ngx_str_t *) (p + njs_vm_prop_magic32(prop));
return njs_vm_value_string_set(vm, retval, field->data, field->len);
}
ngx_int_t
ngx_js_integer(njs_vm_t *vm, njs_value_t *value, ngx_int_t *n)
{
if (!njs_value_is_valid_number(value)) {
njs_vm_error(vm, "is not a number");
return NGX_ERROR;
}
*n = njs_value_number(value);
return NGX_OK;
}
ngx_int_t
ngx_js_string(njs_vm_t *vm, njs_value_t *value, njs_str_t *str)
{
if (value != NULL && !njs_value_is_null_or_undefined(value)) {
if (njs_vm_value_to_string(vm, str, value) == NJS_ERROR) {
return NGX_ERROR;
}
} else {
str->start = NULL;
str->length = 0;
}
return NGX_OK;
}
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