ea440eae21
Includes a more recent version of antlr to nixpkgs. Previous versions exist already, but version 4 brings many changes to the generated code and runtime targets. The install location has been changed from previous versions of antlr to make use of the set-java-classpath hook, which is required to make use of both the runtime and the binary. Also includes the testing rig as a script to allow graphical inspection of parse trees.
41 lines
1.4 KiB
Nix
41 lines
1.4 KiB
Nix
{stdenv, fetchurl, jre}:
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stdenv.mkDerivation rec {
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name = "antlr-${version}";
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version = "4.7";
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src = fetchurl {
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url ="http://www.antlr.org/download/antlr-${version}-complete.jar";
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sha256 = "0r08ay63s5aajix5j8j7lf7j7l7wiwdkr112b66nyhkj5f6c72yd";
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};
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unpackPhase = "true";
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installPhase = ''
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mkdir -p "$out"/{share/java,bin}
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cp "$src" "$out/share/java/antlr-${version}-complete.jar"
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echo "#! ${stdenv.shell}" >> "$out/bin/antlr"
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echo "'${jre}/bin/java' -cp '$out/share/java/antlr-${version}-complete.jar:$CLASSPATH' -Xmx500M org.antlr.v4.Tool \"\$@\"" >> "$out/bin/antlr"
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echo "#! ${stdenv.shell}" >> "$out/bin/grun"
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echo "'${jre}/bin/java' -cp '$out/share/java/antlr-${version}-complete.jar:$CLASSPATH' org.antlr.v4.gui.TestRig \"\$@\"" >> "$out/bin/grun"
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chmod a+x "$out/bin/antlr" "$out/bin/grun"
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ln -s "$out/bin/antlr"{,4}
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'';
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inherit jre;
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meta = with stdenv.lib; {
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description = "Powerful parser generator";
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longDescription = ''
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ANTLR (ANother Tool for Language Recognition) is a powerful parser
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generator for reading, processing, executing, or translating structured
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text or binary files. It's widely used to build languages, tools, and
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frameworks. From a grammar, ANTLR generates a parser that can build and
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walk parse trees.
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'';
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homepage = http://www.antlr.org/;
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platforms = platforms.linux;
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};
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}
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