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Fix comments parsing
Fixed the parsing of multiline strings ending with an even number of stars, like /** this **/. Added test cases for comments.
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3 changed files with 61 additions and 1 deletions
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@ -189,7 +189,7 @@ or { return OR_KW; }
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[ \t\r\n]+ /* eat up whitespace */
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\#[^\r\n]* /* single-line comments */
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\/\*([^*]|\*[^\/])*\*\/ /* long comments */
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\/\*([^*]|\*+[^*/])*\*+\/ /* long comments */
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. return yytext[0];
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1
tests/lang/eval-okay-comments.exp
Normal file
1
tests/lang/eval-okay-comments.exp
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@ -0,0 +1 @@
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"abcdefghijklmnopqrstuvwxyz"
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59
tests/lang/eval-okay-comments.nix
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59
tests/lang/eval-okay-comments.nix
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@ -0,0 +1,59 @@
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# A simple comment
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"a"+ # And another
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## A double comment
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"b"+ ## And another
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# Nested # comments #
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"c"+ # and # some # other #
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# An empty line, following here:
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"d"+ # and a comment not starting the line !
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"e"+
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/* multiline comments */
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"f" +
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/* multiline
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comments,
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on
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multiple
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lines
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*/
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"g" +
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# Small, tricky comments
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/**/ "h"+ /*/*/ "i"+ /***/ "j"+ /* /*/ "k"+ /*/* /*/ "l"+
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# Comments with an even number of ending '*' used to fail:
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"m"+
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/* */ /* **/ /* ***/ /* ****/ "n"+
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/* */ /** */ /*** */ /**** */ "o"+
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/** **/ /*** ***/ /**** ****/ "p"+
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/* * ** *** **** ***** */ "q"+
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# Random comments
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/* ***** ////// * / * / /* */ "r"+
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# Mixed comments
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/* # */
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"s"+
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# /* #
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"t"+
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# /* # */
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"u"+
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# /*********/
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"v"+
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## */*
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"w"+
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/*
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* Multiline, decorated comments
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* # This ain't a nest'd comm'nt
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*/
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"x"+
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''${/** with **/"y"
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# real
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/* comments
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inside ! # */
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# (and empty lines)
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}''+ /* And a multiline comment,
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on the same line,
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after some spaces
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*/ # followed by a one-line comment
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"z"
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/* EOF */
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