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please include function testBracketHygiene. static Pair testBracketHygiene2(S s) { ret testBracketHygiene2(s, testBracketHygiene_op, testBracketHygiene_close); } static Pair testBracketHygiene2(S s, S op, S close) { L tok = javaTok(s); new Map map; L stack = getBracketMap2(tok, map, op, close); for (int i = 1; i < l(tok); i += 2) if (isUnproperlyQuoted(tok.get(i))) { int lineNr = tokenIndexToUserLandLineNr(tok, i); ret pair(tokenToCharIndex(tok, i), "Unclosed string literal at line " + lineNr); } for (int i : keys(map)) { int j = map.get(i); S a = tok.get(i), b = tok.get(j); int ai = op.indexOf(a), bi = close.indexOf(b); if (ai != bi) { int lineNr1 = tokenIndexToUserLandLineNr(tok, ai); int lineNr2 = tokenIndexToUserLandLineNr(tok, bi); ret pair(tokenToCharIndex(tok, tossCoin() ? i : j), "Bad hygiene - brackets don't match (" + quote(a) + " vs " + quote(b) + ") at lines " + lineNr1 + " and " + lineNr2); } } if (nempty(stack)) { int lineNr = tokenIndexToUserLandLineNr(tok, last(stack)); ret pair(charIndex, "Line " + lineNr + ": " + "Bad hygiene - " + n(l(stack), "bracket") + " not closed"); } if (map.containsKey(0)) { int lineNr = tokenIndexToUserLandLineNr(tok, map.get(0)); ret pair(tokenToCharIndex(tok, map.get(0)), "Bad hygiene - bracket not opened (" + quote(tok.get(map.get(0))) + ") at line " + lineNr); } null; }