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Add tab completion to REPL

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Pekka Laiho 2020-12-25 09:22:47 +07:00
parent 7fd0005735
commit 4475fc7cf4
1 changed files with 13 additions and 0 deletions
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bin/madlisp
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@ -43,6 +43,19 @@ function ml_repl($lisp)
readline_read_history($historyFile);
}
// Tab-completion
$completions = array_keys($lisp->getEnv()->getRoot()->getData());
sort($completions);
readline_completion_function(function ($word, $start, $end) use ($completions) {
$matches = [];
foreach ($completions as $comp) {
if ($word == substr($comp, 0, strlen($word))) {
$matches[] = $comp;
}
}
return $matches;
});
while (true) {
$input = readline('> ');