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46 lines
1.3 KiB
Nix
46 lines
1.3 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 = "1c5pk2hz7j9hix5mpc38rwnm8dnlr2jqswf4lan6v78ccbyqzkjx";
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url = "http://www.sqlite.org/src/raw/tool/lemon.c?name=680980c7935bfa1edec20c804c9e5ba4b1dd96f5";
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name = "lemon.c";
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};
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lempar = fetchurl {
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sha256 = "1ba13a6yh9j2cs1aw2fh4dxqvgf399gxq1gpp4sh8q0f2w6qiw3i";
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url = "http://www.sqlite.org/src/raw/tool/lempar.c?name=01ca97f87610d1dac6d8cd96ab109ab1130e76dc";
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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-${version}";
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version = "1.69";
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phases = [ "buildPhase" "installPhase" ];
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buildPhase = ''
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sh -xc "$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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};
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}
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