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Merge pull request #5986 from NixOS/backport-5984-to-2.6-maintenance

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[Backport 2.6-maintenance] Fix parsing of variable names that are a suffix of '__curPos'
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Eelco Dolstra 2022-01-25 11:59:12 +01:00 • committed by GitHub
commit 45ed4e6178
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3 changed files with 4 additions and 1 deletions
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2
src/libexpr/parser.y
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@ -405,7 +405,7 @@ expr_select
expr_simple
: ID {
std::string_view s = "__curPos";
if (strncmp($1.p, s.data(), s.size()) == 0)
if ($1.l == s.size() && strncmp($1.p, s.data(), s.size()) == 0)
$$ = new ExprPos(CUR_POS);
else
$$ = new ExprVar(CUR_POS, data->symbols.create($1));

1
tests/lang/eval-okay-regression-20220125.exp Normal file
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@ -0,0 +1 @@
3

2
tests/lang/eval-okay-regression-20220125.nix Normal file
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@ -0,0 +1,2 @@
((__curPosFoo: __curPosFoo) 1) + ((__curPosBar: __curPosBar) 2)