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47 lines
1.4 KiB
Nix
47 lines
1.4 KiB
Nix
{ stdenv, fetchurl }:
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let
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srcs = {
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lemon = fetchurl {
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sha256 = "1grm95m2cnc61zim332g7z8nchmcy91ljf50k13lm421v0ygyyv6";
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url = "http://www.sqlite.org/src/raw/tool/lemon.c?name=039f813b520b9395740c52f9cbf36c90b5d8df03";
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name = "lemon.c";
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};
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lempar = fetchurl {
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sha256 = "09nki0cwc5zrm365g6plhjxz3byhl9w117ab3yvrpds43ks1j85z";
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url = "http://www.sqlite.org/src/raw/tool/lempar.c?name=3617143ddb9b176c3605defe6a9c798793280120";
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name = "lempar.c";
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};
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};
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in stdenv.mkDerivation rec {
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name = "lemon-${version}";
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version = "1.0";
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phases = [ "buildPhase" "installPhase" ];
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buildPhase = ''
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sh -xc "$CC ${srcs.lemon} -o lemon"
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'';
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installPhase = ''
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install -Dvm755 lemon $out/bin/lemon
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install -Dvm644 ${srcs.lempar} $out/bin/lempar.c
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'';
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meta = with stdenv.lib; {
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description = "An LALR(1) parser generator";
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longDescription = ''
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The Lemon program is an LALR(1) parser generator that takes a
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context-free grammar and converts it into a subroutine that will parse a
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file using that grammar. Lemon is similar to the much more famous
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programs "yacc" and "bison", but is not compatible with either.
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'';
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homepage = http://www.hwaci.com/sw/lemon/;
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license = licenses.publicDomain;
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platforms = platforms.unix;
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maintainers = with maintainers; [ nckx ];
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};
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}
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