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Add soft assert handler to jerry-ext (#2516)

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Allow developers to choose whether they want a hard or a soft
implementation behind `assert`, i.e., whether they want to kill
the whole engine in case of an assertion failure in the executed
script or just throw a JS error.

JerryScript-DCO-1.0-Signed-off-by: Akos Kiss akiss@inf.u-szeged.hu
This commit is contained in:
Akos Kiss
2018-09-18 14:42:28 +02:00
committed by GitHub
parent 685d8b3675
commit cfa7cfc08c
3 changed files with 91 additions and 12 deletions
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jerry-ext/handler/handler-assert.c
+46 -8
View File
@@ -17,16 +17,16 @@
#include "jerryscript-port.h"
/**
* Assert for scripts. The routine calls jerry_port_fatal on assertion failure.
* Hard assert for scripts. The routine calls jerry_port_fatal on assertion failure.
*
* @return true - if only one argument was passed and that argument was a boolean true.
* Note that the function does not return otherwise.
*/
jerry_value_t
jerryx_handler_assert (const jerry_value_t func_obj_val, /**< function object */
const jerry_value_t this_p, /**< this arg */
const jerry_value_t args_p[], /**< function arguments */
const jerry_length_t args_cnt) /**< number of function arguments */
jerryx_handler_assert_fatal (const jerry_value_t func_obj_val, /**< function object */
const jerry_value_t this_p, /**< this arg */
const jerry_value_t args_p[], /**< function arguments */
const jerry_length_t args_cnt) /**< number of function arguments */
{
(void) func_obj_val; /* unused */
(void) this_p; /* unused */
@@ -37,9 +37,47 @@ jerryx_handler_assert (const jerry_value_t func_obj_val, /**< function object */
{
return jerry_create_boolean (true);
}
else
jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Script Error: assertion failed\n");
jerry_port_fatal (ERR_FAILED_INTERNAL_ASSERTION);
} /* jerryx_handler_assert_fatal */
/**
* Soft assert for scripts. The routine throws an error on assertion failure.
*
* @return true - if only one argument was passed and that argument was a boolean true.
* error - otherwise.
*/
jerry_value_t
jerryx_handler_assert_throw (const jerry_value_t func_obj_val, /**< function object */
const jerry_value_t this_p, /**< this arg */
const jerry_value_t args_p[], /**< function arguments */
const jerry_length_t args_cnt) /**< number of function arguments */
{
(void) func_obj_val; /* unused */
(void) this_p; /* unused */
if (args_cnt == 1
&& jerry_value_is_boolean (args_p[0])
&& jerry_get_boolean_value (args_p[0]))
{
jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Script Error: assertion failed\n");
jerry_port_fatal (ERR_FAILED_INTERNAL_ASSERTION);
return jerry_create_boolean (true);
}
return jerry_create_error (JERRY_ERROR_COMMON, (jerry_char_t *) "assertion failed");
} /* jerryx_handler_assert_throw */
/**
* An alias to `jerryx_handler_assert_fatal`.
*
* @return true - if only one argument was passed and that argument was a boolean true.
* Note that the function does not return otherwise.
*/
jerry_value_t
jerryx_handler_assert (const jerry_value_t func_obj_val, /**< function object */
const jerry_value_t this_p, /**< this arg */
const jerry_value_t args_p[], /**< function arguments */
const jerry_length_t args_cnt) /**< number of function arguments */
{
return jerryx_handler_assert_fatal (func_obj_val, this_p, args_p, args_cnt);
} /* jerryx_handler_assert */