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Shell: Add support for regex match patterns

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We previously allowed globs as match pattern, but for more complex
matching needs, it's nice to have regular expressions.
And as the existing "name a part of the match" concept maps nicely to
named capture groups, we can simply reuse the same code and make groups
with names available in the match body.
This commit is contained in:
Ali Mohammad Pur 2022-04-15 01:50:36 +04:30 • committed by Ali Mohammad Pur
parent 6aceec4535
commit 4ede121d31
6 changed files with 219 additions and 71 deletions
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6
Userland/Shell/NodeVisitor.cpp
View file

@ -141,8 +141,10 @@ void NodeVisitor::visit(const AST::MatchExpr* node)
{
node->matched_expr()->visit(*this);
for (auto& entry : node->entries()) {
for (auto& option : entry.options)
option.visit(*this);
if (auto* ptr = entry.options.get_pointer<NonnullRefPtrVector<Node>>()) {
for (auto& option : *ptr)
option.visit(*this);
}
if (entry.body)
entry.body->visit(*this);
}