42 lines
1.4 KiB
Ruby
42 lines
1.4 KiB
Ruby
class Lemon < Formula
|
|
desc "LALR(1) parser generator like yacc or bison"
|
|
homepage "http://www.hwaci.com/sw/lemon/"
|
|
url "http://tx97.net/pub/distfiles/lemon-1.69.tar.bz2"
|
|
sha256 "bc7c1cae233b6af48f4b436ee900843106a15bdb1dc810bc463d8c6aad0dd916"
|
|
|
|
bottle do
|
|
sha256 "e9b8328c8d905424be43404911bff1296c16fbdd83ecfeab7b51917f31c81ab7" => :yosemite
|
|
sha256 "a8120db2de1708f3ecd4bddc5775f90cf5c39a55010a90d01b8cd5f58325560e" => :mavericks
|
|
sha256 "dd245cd856b28f4d14a3f34e243b29b032becf0809208db66bb4c550e4789a83" => :mountain_lion
|
|
end
|
|
|
|
def install
|
|
(share/"lemon").install "lempar.c"
|
|
|
|
# patch the parser generator to look for the 'lempar.c' template file where we've installed it
|
|
inreplace "lemon.c", / = pathsearch\([^)]*\);/, " = \"#{share}/lemon/lempar.c\";"
|
|
|
|
system ENV.cc, "-o", "lemon", "lemon.c"
|
|
bin.install "lemon"
|
|
end
|
|
|
|
test do
|
|
(testpath/"gram.y").write <<-EOS.undent
|
|
%token_type {int}
|
|
%left PLUS.
|
|
%include {
|
|
#include <iostream>
|
|
#include "example1.h"
|
|
}
|
|
%syntax_error {
|
|
std::cout << "Syntax error!" << std::endl;
|
|
}
|
|
program ::= expr(A). { std::cout << "Result=" << A << std::endl; }
|
|
expr(A) ::= expr(B) PLUS expr(C). { A = B + C; }
|
|
expr(A) ::= INTEGER(B). { A = B; }
|
|
EOS
|
|
|
|
system "#{bin}/lemon", "gram.y"
|
|
assert File.exist? "gram.c"
|
|
end
|
|
end
|