mirror of
https://github.com/jerryscript-project/jerryscript.git
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b3f4aa6816
Currently JS objects can only have one native pointer data which could be a limitation in special cases. This patch allows to register multiple native infos, which can be accessed/associated with the corresponding `jerry_object_native_info_t`. JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
564 lines
20 KiB
C
564 lines
20 KiB
C
/* Copyright JS Foundation and other contributors, http://js.foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <math.h>
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#include "jerryscript-ext/arg.h"
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#include "jerryscript.h"
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/**
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* The common function to deal with optional arguments.
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* The core transform function is provided by argument `func`.
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*
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* @return jerry undefined: the transformer passes,
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* jerry error: the transformer fails.
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*/
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jerry_value_t
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jerryx_arg_transform_optional (jerryx_arg_js_iterator_t *js_arg_iter_p, /**< available JS args */
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const jerryx_arg_t *c_arg_p, /**< native arg */
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jerryx_arg_transform_func_t func) /**< the core transform function */
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{
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jerry_value_t js_arg = jerryx_arg_js_iterator_peek (js_arg_iter_p);
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if (jerry_value_is_undefined (js_arg))
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{
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return js_arg;
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}
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return func (js_arg_iter_p, c_arg_p);
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} /* jerryx_arg_transform_optional */
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/**
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* The common part in transforming a JS argument to a number (double or certain int) type.
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* Type coercion is not allowed.
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*
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* @return jerry undefined: the transformer passes,
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* jerry error: the transformer fails.
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*/
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static jerry_value_t
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jerryx_arg_transform_number_strict_common (jerryx_arg_js_iterator_t *js_arg_iter_p, /**< available JS args */
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double *number_p) /**< [out] the number in JS arg */
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{
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jerry_value_t js_arg = jerryx_arg_js_iterator_pop (js_arg_iter_p);
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if (!jerry_value_is_number (js_arg))
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{
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return jerry_create_error (JERRY_ERROR_TYPE,
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(jerry_char_t *) "It is not a number.");
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}
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*number_p = jerry_get_number_value (js_arg);
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return jerry_create_undefined ();
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} /* jerryx_arg_transform_number_strict_common */
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/**
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* The common part in transforming a JS argument to a number (double or certain int) type.
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* Type coercion is allowed.
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*
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* @return jerry undefined: the transformer passes,
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* jerry error: the transformer fails.
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*/
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static jerry_value_t
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jerryx_arg_transform_number_common (jerryx_arg_js_iterator_t *js_arg_iter_p, /**< available JS args */
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double *number_p) /**< [out] the number in JS arg */
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{
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jerry_value_t js_arg = jerryx_arg_js_iterator_pop (js_arg_iter_p);
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jerry_value_t to_number = jerry_value_to_number (js_arg);
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if (jerry_value_is_error (to_number))
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{
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jerry_release_value (to_number);
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return jerry_create_error (JERRY_ERROR_TYPE,
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(jerry_char_t *) "It can not be converted to a number.");
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}
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*number_p = jerry_get_number_value (to_number);
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jerry_release_value (to_number);
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return jerry_create_undefined ();
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} /* jerryx_arg_transform_number_common */
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/**
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* Transform a JS argument to a double. Type coercion is not allowed.
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*
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* @return jerry undefined: the transformer passes,
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* jerry error: the transformer fails.
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*/
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jerry_value_t
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jerryx_arg_transform_number_strict (jerryx_arg_js_iterator_t *js_arg_iter_p, /**< available JS args */
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const jerryx_arg_t *c_arg_p) /**< the native arg */
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{
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return jerryx_arg_transform_number_strict_common (js_arg_iter_p, c_arg_p->dest);
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} /* jerryx_arg_transform_number_strict */
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/**
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* Transform a JS argument to a double. Type coercion is allowed.
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*
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* @return jerry undefined: the transformer passes,
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* jerry error: the transformer fails.
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*/
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jerry_value_t
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jerryx_arg_transform_number (jerryx_arg_js_iterator_t *js_arg_iter_p, /**< available JS args */
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const jerryx_arg_t *c_arg_p) /**< the native arg */
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{
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return jerryx_arg_transform_number_common (js_arg_iter_p, c_arg_p->dest);
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} /* jerryx_arg_transform_number */
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/**
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* Helper function to process a double number before converting it
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* to an integer.
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*
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* @return jerry undefined: the transformer passes,
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* jerry error: the transformer fails.
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*/
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static jerry_value_t
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jerryx_arg_helper_process_double (double *d, /**< [in, out] the number to be processed */
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double min, /**< the min value for clamping */
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double max, /**< the max value for clamping */
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jerryx_arg_int_option_t option) /**< the converting policies */
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{
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if (isnan (*d))
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{
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return jerry_create_error (JERRY_ERROR_TYPE,
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(jerry_char_t *) "The number is NaN.");
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}
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if (option.clamp == JERRYX_ARG_NO_CLAMP)
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{
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if (*d > max || *d < min)
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{
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return jerry_create_error (JERRY_ERROR_TYPE,
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(jerry_char_t *) "The number is out of range.");
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}
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}
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else
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{
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*d = *d < min ? min : *d;
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*d = *d > max ? max : *d;
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}
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if (option.round == JERRYX_ARG_ROUND)
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{
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*d = (*d >= 0.0) ? floor (*d + 0.5) : ceil (*d - 0.5);
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}
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else if (option.round == JERRYX_ARG_FLOOR)
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{
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*d = floor (*d);
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}
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else
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{
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*d = ceil (*d);
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}
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return jerry_create_undefined ();
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} /* jerryx_arg_helper_process_double */
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/**
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* Use the macro to define thr transform functions for int type.
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*/
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#define JERRYX_ARG_TRANSFORM_FUNC_FOR_INT_TEMPLATE(type, suffix, min, max) \
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jerry_value_t jerryx_arg_transform_ ## type ## suffix (jerryx_arg_js_iterator_t *js_arg_iter_p, \
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const jerryx_arg_t *c_arg_p) \
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{ \
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double tmp = 0.0; \
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jerry_value_t rv = jerryx_arg_transform_number ## suffix ## _common (js_arg_iter_p, &tmp); \
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if (jerry_value_is_error (rv)) \
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{ \
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return rv; \
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} \
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jerry_release_value (rv); \
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union \
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{ \
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jerryx_arg_int_option_t int_option; \
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uintptr_t extra_info; \
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} u = { .extra_info = c_arg_p->extra_info }; \
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rv = jerryx_arg_helper_process_double (&tmp, min, max, u.int_option); \
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if (jerry_value_is_error (rv)) \
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{ \
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return rv; \
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} \
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*(type ## _t *) c_arg_p->dest = (type ## _t) tmp; \
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return rv; \
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}
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#define JERRYX_ARG_TRANSFORM_FUNC_FOR_INT(type, min, max) \
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JERRYX_ARG_TRANSFORM_FUNC_FOR_INT_TEMPLATE (type, _strict, min, max) \
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JERRYX_ARG_TRANSFORM_FUNC_FOR_INT_TEMPLATE (type, , min, max)
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JERRYX_ARG_TRANSFORM_FUNC_FOR_INT (uint8, 0, UINT8_MAX)
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JERRYX_ARG_TRANSFORM_FUNC_FOR_INT (int8, INT8_MIN, INT8_MAX)
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JERRYX_ARG_TRANSFORM_FUNC_FOR_INT (uint16, 0, UINT16_MAX)
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JERRYX_ARG_TRANSFORM_FUNC_FOR_INT (int16, INT16_MIN, INT16_MAX)
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JERRYX_ARG_TRANSFORM_FUNC_FOR_INT (uint32, 0, UINT32_MAX)
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JERRYX_ARG_TRANSFORM_FUNC_FOR_INT (int32, INT32_MIN, INT32_MAX)
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#undef JERRYX_ARG_TRANSFORM_FUNC_FOR_INT_TEMPLATE
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#undef JERRYX_ARG_TRANSFORM_FUNC_FOR_INT
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/**
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* Transform a JS argument to a boolean. Type coercion is not allowed.
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*
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* @return jerry undefined: the transformer passes,
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* jerry error: the transformer fails.
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*/
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jerry_value_t
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jerryx_arg_transform_boolean_strict (jerryx_arg_js_iterator_t *js_arg_iter_p, /**< available JS args */
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const jerryx_arg_t *c_arg_p) /**< the native arg */
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{
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jerry_value_t js_arg = jerryx_arg_js_iterator_pop (js_arg_iter_p);
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if (!jerry_value_is_boolean (js_arg))
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{
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return jerry_create_error (JERRY_ERROR_TYPE,
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(jerry_char_t *) "It is not a boolean.");
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}
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bool *dest = c_arg_p->dest;
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*dest = jerry_get_boolean_value (js_arg);
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return jerry_create_undefined ();
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} /* jerryx_arg_transform_boolean_strict */
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/**
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* Transform a JS argument to a boolean. Type coercion is allowed.
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*
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* @return jerry undefined: the transformer passes,
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* jerry error: the transformer fails.
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*/
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jerry_value_t
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jerryx_arg_transform_boolean (jerryx_arg_js_iterator_t *js_arg_iter_p, /**< available JS args */
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const jerryx_arg_t *c_arg_p) /**< the native arg */
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{
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jerry_value_t js_arg = jerryx_arg_js_iterator_pop (js_arg_iter_p);
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bool to_boolean = jerry_value_to_boolean (js_arg);
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bool *dest = c_arg_p->dest;
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*dest = to_boolean;
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return jerry_create_undefined ();
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} /* jerryx_arg_transform_boolean */
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/**
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* The common routine for string transformer.
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* It works for both CESU-8 and UTF-8 string.
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*
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* @return jerry undefined: the transformer passes,
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* jerry error: the transformer fails.
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*/
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static jerry_value_t
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jerryx_arg_string_to_buffer_common_routine (jerry_value_t js_arg, /**< JS arg */
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const jerryx_arg_t *c_arg_p, /**< native arg */
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bool is_utf8) /**< whether it is UTF-8 string */
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{
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jerry_char_t *target_p = (jerry_char_t *) c_arg_p->dest;
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jerry_size_t target_buf_size = (jerry_size_t) c_arg_p->extra_info;
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jerry_size_t size;
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jerry_length_t len;
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if (!is_utf8)
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{
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size = jerry_string_to_char_buffer (js_arg,
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target_p,
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target_buf_size);
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len = jerry_get_string_length (js_arg);
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}
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else
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{
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size = jerry_string_to_utf8_char_buffer (js_arg,
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target_p,
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target_buf_size);
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len = jerry_get_utf8_string_length (js_arg);
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}
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if ((size == target_buf_size) || (size == 0 && len != 0))
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{
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return jerry_create_error (JERRY_ERROR_TYPE,
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(jerry_char_t *) "Buffer size is not large enough.");
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}
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target_p[size] = '\0';
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return jerry_create_undefined ();
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} /* jerryx_arg_string_to_buffer_common_routine */
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/**
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* Transform a JS argument to a UTF-8/CESU-8 char array. Type coercion is not allowed.
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*
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* @return jerry undefined: the transformer passes,
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* jerry error: the transformer fails.
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*/
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static jerry_value_t
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jerryx_arg_transform_string_strict_common (jerryx_arg_js_iterator_t *js_arg_iter_p, /**< available JS args */
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const jerryx_arg_t *c_arg_p, /**< the native arg */
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bool is_utf8) /**< whether it is a UTF-8 string */
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{
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jerry_value_t js_arg = jerryx_arg_js_iterator_pop (js_arg_iter_p);
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if (!jerry_value_is_string (js_arg))
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{
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return jerry_create_error (JERRY_ERROR_TYPE,
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(jerry_char_t *) "It is not a string.");
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}
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return jerryx_arg_string_to_buffer_common_routine (js_arg, c_arg_p, is_utf8);
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} /* jerryx_arg_transform_string_strict_common */
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/**
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* Transform a JS argument to a UTF-8/CESU-8 char array. Type coercion is allowed.
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*
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* @return jerry undefined: the transformer passes,
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* jerry error: the transformer fails.
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*/
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static jerry_value_t
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jerryx_arg_transform_string_common (jerryx_arg_js_iterator_t *js_arg_iter_p, /**< available JS args */
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const jerryx_arg_t *c_arg_p, /**< the native arg */
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bool is_utf8) /**< whether it is a UTF-8 string */
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{
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jerry_value_t js_arg = jerryx_arg_js_iterator_pop (js_arg_iter_p);
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jerry_value_t to_string = jerry_value_to_string (js_arg);
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if (jerry_value_is_error (to_string))
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{
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jerry_release_value (to_string);
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return jerry_create_error (JERRY_ERROR_TYPE,
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(jerry_char_t *) "It can not be converted to a string.");
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}
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jerry_value_t ret = jerryx_arg_string_to_buffer_common_routine (to_string, c_arg_p, is_utf8);
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jerry_release_value (to_string);
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return ret;
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} /* jerryx_arg_transform_string_common */
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/**
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* Transform a JS argument to a cesu8 char array. Type coercion is not allowed.
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*
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* Note:
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* returned value must be freed with jerry_release_value, when it is no longer needed.
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*
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* @return jerry undefined: the transformer passes,
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* jerry error: the transformer fails.
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*/
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jerry_value_t
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jerryx_arg_transform_string_strict (jerryx_arg_js_iterator_t *js_arg_iter_p, /**< available JS args */
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const jerryx_arg_t *c_arg_p) /**< the native arg */
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{
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return jerryx_arg_transform_string_strict_common (js_arg_iter_p, c_arg_p, false);
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} /* jerryx_arg_transform_string_strict */
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/**
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* Transform a JS argument to a utf8 char array. Type coercion is not allowed.
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*
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* Note:
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* returned value must be freed with jerry_release_value, when it is no longer needed.
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*
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* @return jerry undefined: the transformer passes,
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* jerry error: the transformer fails.
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*/
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jerry_value_t
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jerryx_arg_transform_utf8_string_strict (jerryx_arg_js_iterator_t *js_arg_iter_p, /**< available JS args */
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const jerryx_arg_t *c_arg_p) /**< the native arg */
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{
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return jerryx_arg_transform_string_strict_common (js_arg_iter_p, c_arg_p, true);
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} /* jerryx_arg_transform_utf8_string_strict */
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/**
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* Transform a JS argument to a cesu8 char array. Type coercion is allowed.
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*
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* Note:
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* returned value must be freed with jerry_release_value, when it is no longer needed.
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*
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* @return jerry undefined: the transformer passes,
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* jerry error: the transformer fails.
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*/
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jerry_value_t
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jerryx_arg_transform_string (jerryx_arg_js_iterator_t *js_arg_iter_p, /**< available JS args */
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const jerryx_arg_t *c_arg_p) /**< the native arg */
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{
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return jerryx_arg_transform_string_common (js_arg_iter_p, c_arg_p, false);
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} /* jerryx_arg_transform_string */
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/**
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* Transform a JS argument to a utf8 char array. Type coercion is allowed.
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*
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* Note:
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* returned value must be freed with jerry_release_value, when it is no longer needed.
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*
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* @return jerry undefined: the transformer passes,
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* jerry error: the transformer fails.
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*/
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jerry_value_t
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jerryx_arg_transform_utf8_string (jerryx_arg_js_iterator_t *js_arg_iter_p, /**< available JS args */
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const jerryx_arg_t *c_arg_p) /**< the native arg */
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{
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return jerryx_arg_transform_string_common (js_arg_iter_p, c_arg_p, true);
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} /* jerryx_arg_transform_utf8_string */
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/**
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* Check whether the JS argument is jerry function, if so, assign to the native argument.
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*
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* @return jerry undefined: the transformer passes,
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* jerry error: the transformer fails.
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*/
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jerry_value_t
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jerryx_arg_transform_function (jerryx_arg_js_iterator_t *js_arg_iter_p, /**< available JS args */
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const jerryx_arg_t *c_arg_p) /**< the native arg */
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{
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jerry_value_t js_arg = jerryx_arg_js_iterator_pop (js_arg_iter_p);
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if (!jerry_value_is_function (js_arg))
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{
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return jerry_create_error (JERRY_ERROR_TYPE,
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(jerry_char_t *) "It is not a function.");
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}
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jerry_value_t *func_p = c_arg_p->dest;
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*func_p = jerry_acquire_value (js_arg);
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return jerry_create_undefined ();
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} /* jerryx_arg_transform_function */
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/**
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* Check whether the native pointer has the expected type info.
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* If so, assign it to the native argument.
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*
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* @return jerry undefined: the transformer passes,
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* jerry error: the transformer fails.
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*/
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jerry_value_t
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jerryx_arg_transform_native_pointer (jerryx_arg_js_iterator_t *js_arg_iter_p, /**< available JS args */
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const jerryx_arg_t *c_arg_p) /**< the native arg */
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{
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jerry_value_t js_arg = jerryx_arg_js_iterator_pop (js_arg_iter_p);
|
|
|
|
if (!jerry_value_is_object (js_arg))
|
|
{
|
|
return jerry_create_error (JERRY_ERROR_TYPE,
|
|
(jerry_char_t *) "It is not an object.");
|
|
}
|
|
|
|
const jerry_object_native_info_t *expected_info_p;
|
|
expected_info_p = (const jerry_object_native_info_t *) c_arg_p->extra_info;
|
|
void **ptr_p = (void **) c_arg_p->dest;
|
|
bool is_ok = jerry_get_object_native_pointer (js_arg, ptr_p, expected_info_p);
|
|
|
|
if (!is_ok)
|
|
{
|
|
return jerry_create_error (JERRY_ERROR_TYPE,
|
|
(jerry_char_t *) "The object has no native pointer or type does not match.");
|
|
}
|
|
|
|
return jerry_create_undefined ();
|
|
} /* jerryx_arg_transform_native_pointer */
|
|
|
|
/**
|
|
* Check whether the JS object's properties have expected types, and transform them into native args.
|
|
*
|
|
* @return jerry undefined: the transformer passes,
|
|
* jerry error: the transformer fails.
|
|
*/
|
|
jerry_value_t
|
|
jerryx_arg_transform_object_props (jerryx_arg_js_iterator_t *js_arg_iter_p, /**< available JS args */
|
|
const jerryx_arg_t *c_arg_p) /**< the native arg */
|
|
{
|
|
jerry_value_t js_arg = jerryx_arg_js_iterator_pop (js_arg_iter_p);
|
|
|
|
const jerryx_arg_object_props_t *object_props = (const jerryx_arg_object_props_t *) c_arg_p->extra_info;
|
|
|
|
return jerryx_arg_transform_object_properties (js_arg,
|
|
object_props->name_p,
|
|
object_props->name_cnt,
|
|
object_props->c_arg_p,
|
|
object_props->c_arg_cnt);
|
|
} /* jerryx_arg_transform_object_props */
|
|
|
|
/**
|
|
* Check whether the JS array's items have expected types, and transform them into native args.
|
|
*
|
|
* @return jerry undefined: the transformer passes,
|
|
* jerry error: the transformer fails.
|
|
*/
|
|
jerry_value_t
|
|
jerryx_arg_transform_array_items (jerryx_arg_js_iterator_t *js_arg_iter_p, /**< available JS args */
|
|
const jerryx_arg_t *c_arg_p) /**< the native arg */
|
|
{
|
|
jerry_value_t js_arg = jerryx_arg_js_iterator_pop (js_arg_iter_p);
|
|
|
|
const jerryx_arg_array_items_t *array_items_p = (const jerryx_arg_array_items_t *) c_arg_p->extra_info;
|
|
|
|
return jerryx_arg_transform_array (js_arg,
|
|
array_items_p->c_arg_p,
|
|
array_items_p->c_arg_cnt);
|
|
} /* jerryx_arg_transform_array_items */
|
|
|
|
/**
|
|
* Define transformer for optional argument.
|
|
*/
|
|
#define JERRYX_ARG_TRANSFORM_OPTIONAL(type) \
|
|
jerry_value_t \
|
|
jerryx_arg_transform_ ## type ## _optional (jerryx_arg_js_iterator_t *js_arg_iter_p, \
|
|
const jerryx_arg_t *c_arg_p) \
|
|
{ \
|
|
return jerryx_arg_transform_optional (js_arg_iter_p, c_arg_p, jerryx_arg_transform_ ## type); \
|
|
}
|
|
|
|
JERRYX_ARG_TRANSFORM_OPTIONAL (number)
|
|
JERRYX_ARG_TRANSFORM_OPTIONAL (number_strict)
|
|
JERRYX_ARG_TRANSFORM_OPTIONAL (boolean)
|
|
JERRYX_ARG_TRANSFORM_OPTIONAL (boolean_strict)
|
|
JERRYX_ARG_TRANSFORM_OPTIONAL (string)
|
|
JERRYX_ARG_TRANSFORM_OPTIONAL (string_strict)
|
|
JERRYX_ARG_TRANSFORM_OPTIONAL (utf8_string)
|
|
JERRYX_ARG_TRANSFORM_OPTIONAL (utf8_string_strict)
|
|
JERRYX_ARG_TRANSFORM_OPTIONAL (function)
|
|
JERRYX_ARG_TRANSFORM_OPTIONAL (native_pointer)
|
|
JERRYX_ARG_TRANSFORM_OPTIONAL (object_props)
|
|
JERRYX_ARG_TRANSFORM_OPTIONAL (array_items)
|
|
|
|
JERRYX_ARG_TRANSFORM_OPTIONAL (uint8)
|
|
JERRYX_ARG_TRANSFORM_OPTIONAL (uint16)
|
|
JERRYX_ARG_TRANSFORM_OPTIONAL (uint32)
|
|
JERRYX_ARG_TRANSFORM_OPTIONAL (int8)
|
|
JERRYX_ARG_TRANSFORM_OPTIONAL (int16)
|
|
JERRYX_ARG_TRANSFORM_OPTIONAL (int32)
|
|
JERRYX_ARG_TRANSFORM_OPTIONAL (int8_strict)
|
|
JERRYX_ARG_TRANSFORM_OPTIONAL (int16_strict)
|
|
JERRYX_ARG_TRANSFORM_OPTIONAL (int32_strict)
|
|
JERRYX_ARG_TRANSFORM_OPTIONAL (uint8_strict)
|
|
JERRYX_ARG_TRANSFORM_OPTIONAL (uint16_strict)
|
|
JERRYX_ARG_TRANSFORM_OPTIONAL (uint32_strict)
|
|
|
|
#undef JERRYX_ARG_TRANSFORM_OPTIONAL
|
|
|
|
/**
|
|
* Ignore the JS argument.
|
|
*
|
|
* @return jerry undefined
|
|
*/
|
|
jerry_value_t
|
|
jerryx_arg_transform_ignore (jerryx_arg_js_iterator_t *js_arg_iter_p, /**< available JS args */
|
|
const jerryx_arg_t *c_arg_p) /**< the native arg */
|
|
{
|
|
(void) js_arg_iter_p; /* unused */
|
|
(void) c_arg_p; /* unused */
|
|
|
|
return jerry_create_undefined ();
|
|
} /* jerryx_arg_transform_ignore */
|