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Throw error for generator function class constructor (#3489)

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JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
This commit is contained in:
Robert Fancsik
2020-01-07 14:52:01 +01:00
committed by GitHub
parent 22e52e45af
commit 003694d259
4 changed files with 40 additions and 4 deletions
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jerry-core/parser/js/js-parser-expr.c
+13 -4
View File
@@ -569,11 +569,20 @@ parser_parse_class_literal (parser_context_t *context_p) /**< context */
{
is_computed = true;
}
else if ((status_flags & PARSER_CLASS_STATIC_FUNCTION)
&& LEXER_IS_IDENT_OR_STRING (context_p->token.lit_location.type)
&& lexer_compare_literal_to_string (context_p, "prototype", 9))
else if (LEXER_IS_IDENT_OR_STRING (context_p->token.lit_location.type))
{
parser_raise_error (context_p, PARSER_ERR_CLASS_STATIC_PROTOTYPE);
if (status_flags & PARSER_CLASS_STATIC_FUNCTION)
{
if (lexer_compare_literal_to_string (context_p, "prototype", 9))
{
parser_raise_error (context_p, PARSER_ERR_CLASS_STATIC_PROTOTYPE);
}
}
else if ((status_flags & PARSER_IS_GENERATOR_FUNCTION)
&& lexer_compare_literal_to_string (context_p, "constructor", 11))
{
parser_raise_error (context_p, PARSER_ERR_CLASS_CONSTRUCTOR_AS_GENERATOR);
}
}
parse_class_method:
jerry-core/parser/js/js-parser-util.c
+4
View File
@@ -1133,6 +1133,10 @@ parser_error_to_string (parser_error_t error) /**< error code */
{
return "Class constructor may not be an accessor.";
}
case PARSER_ERR_CLASS_CONSTRUCTOR_AS_GENERATOR:
{
return "Class constructor may not be a generator.";
}
case PARSER_ERR_CLASS_STATIC_PROTOTYPE:
{
return "Classes may not have a static property called 'prototype'.";
jerry-core/parser/js/js-parser.h
+1
View File
@@ -130,6 +130,7 @@ typedef enum
PARSER_ERR_MULTIPLE_CLASS_CONSTRUCTORS, /**< multiple class constructor */
PARSER_ERR_CLASS_CONSTRUCTOR_AS_ACCESSOR, /**< class constructor cannot be an accessor */
PARSER_ERR_CLASS_CONSTRUCTOR_AS_GENERATOR, /**< class constructor cannot be a generator */
PARSER_ERR_CLASS_STATIC_PROTOTYPE, /**< static method name 'prototype' is not allowed */
PARSER_ERR_UNEXPECTED_SUPER_REFERENCE, /**< unexpected super keyword */