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Add duplicated argument check for function rest parameter (#2740)

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Also add a missing word from `PARSER_ERR_FORMAL_PARAM_AFTER_REST_PARAMETER` error message.

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
This commit is contained in:
Robert Fancsik
2019-01-31 14:15:42 +01:00
committed by László Langó
parent 1ff322b72f
commit ca8442c523
4 changed files with 16 additions and 5 deletions
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jerry-core/parser/js/js-parser-util.c
+5 -3
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@@ -1038,16 +1038,18 @@ parser_error_to_string (parser_error_t error) /**< error code */
{
return "Duplicated label.";
}
#ifndef CONFIG_DISABLE_ES2015_FUNCTION_PARAMETER_INITIALIZER
#if (!defined (CONFIG_DISABLE_ES2015_FUNCTION_PARAMETER_INITIALIZER) \
|| !defined (CONFIG_DISABLE_ES2015_FUNCTION_REST_PARAMETER))
case PARSER_ERR_DUPLICATED_ARGUMENT_NAMES:
{
return "Duplicated function argument names are not allowed here.";
}
#endif /* !CONFIG_DISABLE_ES2015_FUNCTION_PARAMETER_INITIALIZER */
#endif /* (!defined (CONFIG_DISABLE_ES2015_FUNCTION_PARAMETER_INITIALIZER)
|| !defined (CONFIG_DISABLE_ES2015_FUNCTION_REST_PARAMETER)) */
#ifndef CONFIG_DISABLE_ES2015_FUNCTION_PARAMETER_INITIALIZER
case PARSER_ERR_FORMAL_PARAM_AFTER_REST_PARAMETER:
{
return "Rest parameter must be last formal parameter.";
return "Rest parameter must be the last formal parameter.";
}
case PARSER_ERR_REST_PARAMETER_DEFAULT_INITIALIZER:
{