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LibJS: Do not execute scripts with parse errors

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This adds missing checks in several LibJS consumers.
This commit is contained in:
Stephan Unverwerth
2020-04-13 02:05:21 +02:00
committed by Andreas Kling
parent 50b6b6ef86
commit 984c290ec0
4 changed files with 36 additions and 7 deletions
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12
Libraries/LibWeb/DOM/HTMLScriptElement.cpp
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@@ -59,7 +59,11 @@ void HTMLScriptElement::children_changed()
if (source.is_empty())
return;
auto program = JS::Parser(JS::Lexer(source)).parse_program();
auto parser = JS::Parser(JS::Lexer(source));
auto program = parser.parse_program();
if (parser.has_errors())
return;
document().interpreter().run(*program);
}
@@ -90,7 +94,11 @@ void HTMLScriptElement::inserted_into(Node& new_parent)
return;
}
auto program = JS::Parser(JS::Lexer(source)).parse_program();
auto parser = JS::Parser(JS::Lexer(source));
auto program = parser.parse_program();
if (parser.has_errors())
return;
document().interpreter().run(*program);
}