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