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Introduce jerry_get_resource_name API function (#3236)

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This new API function adds possibility to query the resource name of the currently executed script (including modules) or a function object.
This patch closes #2170.

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
This commit is contained in:
Robert Fancsik
2019-11-06 15:05:49 +01:00
committed by Dániel Bátyai
parent 55423ab82a
commit 525c35f148
16 changed files with 415 additions and 82 deletions
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jerry-core/api/jerry.c
+43
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@@ -3354,6 +3354,49 @@ jerry_get_backtrace (uint32_t max_depth) /**< depth limit of the backtrace */
return vm_get_backtrace (max_depth);
} /* jerry_get_backtrace */
/**
* Get the resource name (usually a file name) of the currently executed script or the given function object
*
* Note: returned value must be freed with jerry_release_value, when it is no longer needed
*
* @return JS string constructed from
* - the currently executed function object's resource name, if the given value is undefined
* - resource name of the function object, if the given value is a function object
* - "<anonymous>", otherwise
*/
jerry_value_t
jerry_get_resource_name (const jerry_value_t value) /**< jerry api value */
{
#if ENABLED (JERRY_LINE_INFO) || ENABLED (JERRY_ES2015_MODULE_SYSTEM)
if (ecma_is_value_undefined (value))
{
if (JERRY_CONTEXT (vm_top_context_p) != NULL)
{
return ecma_copy_value (JERRY_CONTEXT (vm_top_context_p)->resource_name);
}
}
#endif /* ENABLED (JERRY_LINE_INFO) || ENABLED (JERRY_ES2015_MODULE_SYSTEM) */
#if ENABLED (JERRY_LINE_INFO)
else if (ecma_is_value_object (value))
{
ecma_object_t *obj_p = ecma_get_object_from_value (value);
if (ecma_get_object_type (obj_p) == ECMA_OBJECT_TYPE_FUNCTION
&& !ecma_get_object_is_builtin (obj_p))
{
ecma_extended_object_t *ext_func_p = (ecma_extended_object_t *) obj_p;
const ecma_compiled_code_t *bytecode_data_p = ecma_op_function_get_compiled_code (ext_func_p);
return ecma_copy_value (ecma_op_resource_name (bytecode_data_p));
}
}
#endif /* ENABLED (JERRY_LINE_INFO) */
JERRY_UNUSED (value);
return ecma_make_magic_string_value (LIT_MAGIC_STRING_RESOURCE_ANON);
} /* jerry_get_resource_name */
/**
* Check if the given value is an ArrayBuffer object.
*