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e54ac8e70d
Summary: Diagnosing use of undefined variables takes place in parseNumericVariableUse() and printSubstitutions() for numeric variables but only takes place in printSubstitutions() for string variables. The reason for the split location of diagnostics is that parsing is not aware of the clearing of variables due to --enable-var-scope and thus use of variables cleared in this way can only be catched by printSubstitutions(). Beyond the code level inconsistency, there is also a user facing inconsistency since diagnostics look different between the two functions. While the diagnostic in printSubstitutions is more verbose, doing the diagnostic there allows to diagnose all undefined variables rather than just the first one and error out. This patch create dummy variable definition when encountering a use of undefined variable so that parsing can proceed and be diagnosed by printSubstitutions() later. Tests that were testing whether parsing fails in such case are thus modified accordingly. Reviewers: jhenderson, chandlerc, jdenny, probinson, grimar, arichardson, rnk Subscribers: JonChesterfield, rogfer01, hfinkel, kristina, rnk, tra, arichardson, grimar, dblaikie, probinson, llvm-commits, hiraditya Tags: #llvm Differential Revision: https://reviews.llvm.org/D64228 llvm-svn: 365219 |
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| .. | ||
| check-a-b-has-b.txt | ||
| check-b-a-has-b.txt | ||
| check-count.txt | ||
| check-dag-multi-prefix-2.txt | ||
| check-dag-multi-prefix.txt | ||
| check-dag-not-dag.txt | ||
| check-dag-overlap-torture.txt | ||
| check-dag-overlap.txt | ||
| check-dag-substring-prefix.txt | ||
| check-dag-xfails.txt | ||
| check-dag.txt | ||
| check-empty2.txt | ||
| check-empty-tag.txt | ||
| check-empty.txt | ||
| check-label-dag-capture.txt | ||
| check-label-dag.txt | ||
| check-label.txt | ||
| check-multi-prefix-label.txt | ||
| check-multiple-prefixes-mixed.txt | ||
| check-multiple-prefixes-nomatch-2.txt | ||
| check-multiple-prefixes-nomatch.txt | ||
| check-multiple-prefixes-substr.txt | ||
| check-not-diaginfo.txt | ||
| check-prefixes.txt | ||
| check-substring-multi-prefix-2.txt | ||
| check-substring-multi-prefix.txt | ||
| dos-style-eol.txt | ||
| dump-input-annotations.txt | ||
| dump-input-enable.txt | ||
| empty-regex-match-at-start.txt | ||
| envvar-opts.txt | ||
| first-character-match.txt | ||
| implicit-check-not.txt | ||
| line-count-2.txt | ||
| line-count.txt | ||
| lit.local.cfg | ||
| match-full-lines.txt | ||
| multiple-missing-prefixes.txt | ||
| next-no-match.txt | ||
| no-check-file.txt | ||
| no-multi-suffixes.txt | ||
| numeric-defines-diagnostics.txt | ||
| numeric-defines.txt | ||
| numeric-expression.txt | ||
| opt-color.txt | ||
| regex-brackets.txt | ||
| regex-no-match.txt | ||
| same.txt | ||
| separate-multi-prefix.txt | ||
| simple-var-capture.txt | ||
| string-defines-diagnostics.txt | ||
| string-defines.txt | ||
| two-checks-for-same-match.txt | ||
| validate-check-prefix.txt | ||
| var-ref-same-line.txt | ||
| var-scope.txt | ||
| verbose.txt | ||