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LibJS: Allow multiple labels on the same statement

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Since there are only a number of statements where labels can actually be
used we now also only store labels when necessary.
Also now tracks the first continue usage of a label since this might not
be valid but that can only be determined after we have parsed the
statement.
Also ensures the correct error does not get wiped by load_state.
This commit is contained in:
davidot 2021-09-18 23:01:54 +02:00 • committed by Linus Groh
parent bfc1b4ba61
commit 79caca8ca2
7 changed files with 194 additions and 47 deletions
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5
Userland/Libraries/LibJS/AST.cpp
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@ -2326,6 +2326,11 @@ void ThrowStatement::dump(int indent) const
argument().dump(indent + 1);
}
void TryStatement::add_label(FlyString string)
{
m_block->add_label(move(string));
}
Value TryStatement::execute(Interpreter& interpreter, GlobalObject& global_object) const
{
InterpreterNodeScope node_scope { interpreter, *this };