expr: improve the detection of errors #7119
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sylvestre wants to merge 15 commits intouutils:mainfrom
sylvestre:expr_pl
Closed
expr: improve the detection of errors #7119sylvestre wants to merge 15 commits intouutils:mainfrom sylvestre:expr_pl
sylvestre wants to merge 15 commits intouutils:mainfrom
sylvestre:expr_pl
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GNU testsuite comparison: |
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GNU testsuite comparison: |
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GNU testsuite comparison: |
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GNU testsuite comparison: |
cakebaker
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Jan 13, 2025
cakebaker
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cakebaker
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Jan 13, 2025
cakebaker
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cakebaker
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Jan 13, 2025
cakebaker
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cakebaker
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Jan 13, 2025
src/uu/expr/src/syntax_tree.rs
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| parts[1].trim().parse::<u32>(), | ||
| ) { | ||
| // Ensure both numbers are within valid range and first <= second | ||
| first <= second && first <= 32767 && second <= 32767 |
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Not sure whether this is an improvement, but from a logical point of view the middle check is not necessary.
Suggested change
| first <= second && first <= 32767 && second <= 32767 | |
| first <= second && second <= 32767 |
cakebaker
reviewed
Jan 13, 2025
cakebaker
reviewed
Jan 13, 2025
| &[(":", BinOp::String(StringOp::Match))], | ||
| ]; | ||
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| fn check_brace_content_and_matching(s: &str) -> BraceContent { |
Contributor
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I think this parser is not completely correct. It returns BraceContent::Invalid for the following edge cases whereas they seem to work with GNU expr:
$ expr ab : "\\{\\(\\}\\)"
$ expr ab : "\\(\\{\\)\\}"
$ cargo run -q expr ab : "\\{\\(\\}\\)"
expr: Invalid content of \{\}
$ cargo run -q expr ab : "\\(\\{\\)\\}"
expr: Invalid content of \{\}
But I think it's something for a future PR.
cakebaker
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Overall it looks good.
Fixes se5 in expr.pl
Fixes se6 in expr.pl
Should fix bre3, bre4, bre7 and bre8 in expr.pl and bre42, bre43, bre44, bre47 and bre48
Fixes bre50 in expr.pl
Fix bre49 in expr.pl
Should make bre33 pass in expr.pl
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GNU testsuite comparison: |
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GNU testsuite comparison: |
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GNU testsuite comparison: |
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comments fixed |
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moved here: #7119 |
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Reduces the number of remaining issues in tests/expr/expr.pl