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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/ecma/operations/ecma-function-object.c
+39
View File
@@ -34,6 +34,45 @@
* @{
*/
#if ENABLED (JERRY_LINE_INFO) || ENABLED (JERRY_ES2015_MODULE_SYSTEM)
/**
* Get the resource name from the compiled code header
*
* @return resource name as ecma-string
*/
ecma_value_t
ecma_op_resource_name (const ecma_compiled_code_t *bytecode_header_p)
{
JERRY_ASSERT (bytecode_header_p != NULL);
ecma_length_t formal_params_number = 0;
if (CBC_NON_STRICT_ARGUMENTS_NEEDED (bytecode_header_p))
{
if (bytecode_header_p->status_flags & CBC_CODE_FLAGS_UINT16_ARGUMENTS)
{
cbc_uint16_arguments_t *args_p = (cbc_uint16_arguments_t *) bytecode_header_p;
formal_params_number = args_p->argument_end;
}
else
{
cbc_uint8_arguments_t *args_p = (cbc_uint8_arguments_t *) bytecode_header_p;
formal_params_number = args_p->argument_end;
}
}
uint8_t *byte_p = (uint8_t *) bytecode_header_p;
byte_p += ((size_t) bytecode_header_p->size) << JMEM_ALIGNMENT_LOG;
ecma_value_t *resource_name_p = (ecma_value_t *) byte_p;
resource_name_p -= formal_params_number;
return resource_name_p[-1];
} /* ecma_op_resource_name */
#endif /* ENABLED (JERRY_LINE_INFO) || ENABLED (JERRY_ES2015_MODULE_SYSTEM) */
/**
* Checks whether the type is a normal or arrow function.
*