62 lines
2.0 KiB
Ruby
62 lines
2.0 KiB
Ruby
class AntlrAT3 < Formula
|
|
desc "Antlr3 has a C API which has been dropped in Antlr4."
|
|
homepage "http://www.antlr.org/"
|
|
url "http://www.antlr3.org/download/antlr-3.5.2-complete.jar"
|
|
sha256 "26ca659f47d77384f518cf2b6463892fcd4f0b0d4d8c0de2addf697e63e7326b"
|
|
|
|
bottle do
|
|
cellar :any_skip_relocation
|
|
sha256 "450bb2d748965c0f25a280a2eb4fd9b371e6f403107053b610dedb030229009e" => :sierra
|
|
sha256 "450bb2d748965c0f25a280a2eb4fd9b371e6f403107053b610dedb030229009e" => :el_capitan
|
|
sha256 "450bb2d748965c0f25a280a2eb4fd9b371e6f403107053b610dedb030229009e" => :yosemite
|
|
end
|
|
|
|
depends_on :java
|
|
|
|
def install
|
|
libexec.install "antlr-3.5.2-complete.jar"
|
|
(share+"java").install_symlink "#{libexec}/antlr-3.5.2-complete.jar" => "antlr3.jar"
|
|
(bin+"antlr3").write <<-EOS.undent
|
|
#!/bin/sh
|
|
java -jar #{libexec}/antlr-3.5.2-complete.jar "$@"
|
|
EOS
|
|
end
|
|
|
|
test do
|
|
exppath = testpath/"Exp.g"
|
|
exppath.write <<-EOS.undent
|
|
grammar Exp;
|
|
eval returns [double value]
|
|
: exp=atomExp {$value = $exp.value;}
|
|
;
|
|
atomExp returns [double value]
|
|
: n=Number {$value = Double.parseDouble($n.text);}
|
|
;
|
|
Number
|
|
: ('0'..'9')+ ('.' ('0'..'9')+)?
|
|
;
|
|
WS
|
|
: (' ' | '\\t' | '\\r'| '\\n') {\$channel=HIDDEN;}
|
|
;
|
|
EOS
|
|
javapath = testpath/"ANTLRDemo.java"
|
|
javapath.write <<-EOS.undent
|
|
import org.antlr.runtime.*;
|
|
public class ANTLRDemo {
|
|
public static void main(String[] args) throws Exception {
|
|
ANTLRStringStream in = new ANTLRStringStream("42");
|
|
ExpLexer lexer = new ExpLexer(in);
|
|
CommonTokenStream tokens = new CommonTokenStream(lexer);
|
|
ExpParser parser = new ExpParser(tokens);
|
|
System.out.println(parser.eval()); // print the value
|
|
}
|
|
}
|
|
EOS
|
|
ENV.prepend "CLASSPATH", "#{share}/java/antlr3.jar", ":"
|
|
ENV.prepend "CLASSPATH", ".", ":"
|
|
system "#{bin}/antlr3", "Exp.g"
|
|
system "javac", "ANTLRDemo.java"
|
|
assert_match("42.0", pipe_output("java ANTLRDemo"))
|
|
end
|
|
end
|