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Userland/test: Handle '!' being used as a string

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e.g. `test ! = !`.
Fixes #6465.
This commit is contained in:
Ali Mohammad Pur 2021-04-19 03:34:30 +04:30 committed by Linus Groh
parent 6e2f2cd8b1
commit 061aaa33e8
Notes: sideshowbarker 2024-07-18 22:57:59 +09:00 
Author: https://github.com/alimpfard
Commit: https://github.com/SerenityOS/serenity/commit/061aaa33e80
Pull-request: https://github.com/SerenityOS/serenity/pull/6468
Issue: https://github.com/SerenityOS/serenity/issues/6465
Issue: https://github.com/SerenityOS/serenity/issues/6467
1 changed files with 11 additions and 9 deletions
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20
Userland/Utilities/test.cpp
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@ -356,15 +356,6 @@ static OwnPtr<Condition> parse_simple_expression(char* argv[])
fatal_error("Unmatched \033[1m(");
}
if (arg == "!") {
if (should_treat_expression_as_single_string(argv[optind]))
return make<StringCompare>(move(arg), "", StringCompare::NotEqual);
auto command = parse_complex_expression(argv);
if (!command)
fatal_error("Expected an expression after \033[1m!");
return make<Not>(command.release_nonnull());
}
// Try to read a unary op.
if (arg.starts_with('-') && arg.length() == 2) {
optind++;
@ -464,6 +455,17 @@ static OwnPtr<Condition> parse_simple_expression(char* argv[])
--optind;
return make<StringCompare>("", lhs, StringCompare::NotEqual);
} else {
// Now that we know it's not a well-formed expression, see if it's actually a negation
if (lhs == "!") {
if (should_treat_expression_as_single_string(arg))
return make<StringCompare>(move(lhs), "", StringCompare::NotEqual);
auto command = parse_complex_expression(argv);
if (!command)
fatal_error("Expected an expression after \x1b[1m!");
return make<Not>(command.release_nonnull());
}
--optind;
return make<StringCompare>("", lhs, StringCompare::NotEqual);
}