nixpkgs/pkgs/development/tools/parsing/lemon/default.nix
2020-04-10 17:54:53 +01:00

46 lines
1.3 KiB
Nix

{ stdenv, fetchurl }:
let
srcs = {
lemon = fetchurl {
sha256 = "1c5pk2hz7j9hix5mpc38rwnm8dnlr2jqswf4lan6v78ccbyqzkjx";
url = "http://www.sqlite.org/src/raw/tool/lemon.c?name=680980c7935bfa1edec20c804c9e5ba4b1dd96f5";
name = "lemon.c";
};
lempar = fetchurl {
sha256 = "1ba13a6yh9j2cs1aw2fh4dxqvgf399gxq1gpp4sh8q0f2w6qiw3i";
url = "http://www.sqlite.org/src/raw/tool/lempar.c?name=01ca97f87610d1dac6d8cd96ab109ab1130e76dc";
name = "lempar.c";
};
};
in stdenv.mkDerivation {
pname = "lemon";
version = "1.69";
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;
};
}