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* Bug fix in parsing of /* ... */ comments; due to longest match

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regexp there could be only one such comment per file.
This commit is contained in:
Eelco Dolstra 2004-10-27 13:00:31 +00:00
parent 463e2817c5
commit 3277c9432a
4 changed files with 14 additions and 2 deletions
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2
src/libexpr/lexer.l
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@ -76,7 +76,7 @@ inherit { return INHERIT; }
[ \t\n]+ /* eat up whitespace */ [ \t\n]+ /* eat up whitespace */
\#[^\n]* /* single-line comments */ \#[^\n]* /* single-line comments */
\/\*(.|\n)*\*\/ /* long comments */ \/\*([^*]|\*[^\/])*\*\/ /* long comments */
. return yytext[0]; . return yytext[0];

2
tests/Makefile.am
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@ -27,7 +27,7 @@ TESTS = init.sh lang.sh simple.sh dependencies.sh locking.sh parallel.sh \
XFAIL_TESTS = XFAIL_TESTS =
foo: langtests:
$(TESTS_ENVIRONMENT) ./lang.sh $(TESTS_ENVIRONMENT) ./lang.sh
include ../substitute.mk include ../substitute.mk

1
tests/lang/parse-okay-regression-20041027.exp Normal file
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@ -0,0 +1 @@
Function([NoDefFormal("stdenv"),NoDefFormal("fetchurl")],Call(Select(Var("stdenv"),"mkDerivation"),Attrs([Bind("name",Str("libXi-6.0.1"),Pos("(string)",4,7)),Bind("src",Call(Var("fetchurl"),Attrs([Bind("url",Uri("http://freedesktop.org/~xlibs/release/libXi-6.0.1.tar.bz2"),Pos("(string)",6,8)),Bind("md5",Str("7e935a42428d63a387b3c048be0f2756"),Pos("(string)",7,8))])),Pos("(string)",5,6))])),Pos("(string)",1,2))

11
tests/lang/parse-okay-regression-20041027.nix Normal file
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@ -0,0 +1,11 @@
{stdenv, fetchurl /* pkgconfig, libX11 */ }:
stdenv.mkDerivation {
name = "libXi-6.0.1";
src = fetchurl {
url = http://freedesktop.org/~xlibs/release/libXi-6.0.1.tar.bz2;
md5 = "7e935a42428d63a387b3c048be0f2756";
};
/* buildInputs = [pkgconfig];
propagatedBuildInputs = [libX11]; */
}