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fixes #19104; peg Incorrect captures [backport:1.6] (#20352)

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* fixes #19104; peg Incorrect captures [backport:1.6]

* add tests

Co-authored-by: khchen <khchen@gmail.com>
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ringabout 2022-09-15 13:54:53 +08:00 • committed by GitHub
commit 2b80ff2374
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2 changed files with 8 additions and 1 deletions
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4
tests/stdlib/tpegs.nim
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@ -158,6 +158,10 @@ block:
privateAccess(NonTerminal)
privateAccess(Captures)
if "test" =~ peg"s <- {{\ident}}": # bug #19104
doAssert matches[0] == "test"
doAssert matches[1] == "test", $matches[1]
doAssert escapePeg("abc''def'") == r"'abc'\x27\x27'def'\x27"
doAssert match("(a b c)", peg"'(' @ ')'")
doAssert match("W_HI_Le", peg"\y 'while'")