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-rw-r--r--new-luxc/source/luxc/lang/packager.lux112
1 files changed, 112 insertions, 0 deletions
diff --git a/new-luxc/source/luxc/lang/packager.lux b/new-luxc/source/luxc/lang/packager.lux
new file mode 100644
index 000000000..3f8cb36cb
--- /dev/null
+++ b/new-luxc/source/luxc/lang/packager.lux
@@ -0,0 +1,112 @@
+(.module:
+ [lux #*
+ ["." host (#+ import: do-to)]
+ [data
+ ["." binary (#+ Binary)]
+ ["." text]
+ [number
+ ["n" nat]]
+ [collection
+ ["." row]
+ ["." list ("#@." fold)]]]
+ [target
+ [jvm
+ [encoding
+ ["." name]]]]
+ [tool
+ [compiler
+ [phase
+ [generation (#+ Buffer Output)]]
+ [meta
+ [archive
+ [descriptor (#+ Module)]]]]]]
+ [//
+ [host
+ [jvm (#+ Definition)]]])
+
+(import: #long java/lang/Object)
+
+(import: #long java/lang/String)
+
+(import: #long java/util/jar/Attributes
+ (put [java/lang/Object java/lang/Object] #? java/lang/Object))
+
+(import: #long java/util/jar/Attributes$Name
+ (#static MAIN_CLASS java/util/jar/Attributes$Name)
+ (#static MANIFEST_VERSION java/util/jar/Attributes$Name))
+
+(import: #long java/util/jar/Manifest
+ (new [])
+ (getMainAttributes [] java/util/jar/Attributes))
+
+(import: #long java/io/Flushable
+ (flush [] void))
+
+(import: #long java/io/Closeable
+ (close [] void))
+
+(import: #long java/io/OutputStream)
+
+(import: #long java/io/ByteArrayOutputStream
+ (new [int])
+ (toByteArray [] [byte]))
+
+(import: #long java/util/zip/ZipEntry)
+
+(import: #long java/util/zip/ZipOutputStream
+ (write [[byte] int int] void)
+ (closeEntry [] void))
+
+(import: #long java/util/jar/JarEntry
+ (new [java/lang/String]))
+
+(import: #long java/util/jar/JarOutputStream
+ (new [java/io/OutputStream java/util/jar/Manifest])
+ (putNextEntry [java/util/zip/ZipEntry] void))
+
+(def: byte 1)
+(def: kilo-byte (n.* 1,000 byte))
+(def: mega-byte (n.* 1,000 kilo-byte))
+
+(def: manifest-version "1.0")
+
+(def: class-name
+ (-> Module Text)
+ (text.suffix ".class"))
+
+(def: main "_")
+
+(def: (manifest module)
+ (-> Module java/util/jar/Manifest)
+ (let [manifest (java/util/jar/Manifest::new)]
+ (exec (do-to (java/util/jar/Manifest::getMainAttributes manifest)
+ (java/util/jar/Attributes::put (java/util/jar/Attributes$Name::MAIN_CLASS) ..main)
+ (java/util/jar/Attributes::put (java/util/jar/Attributes$Name::MANIFEST_VERSION) ..manifest-version))
+ manifest)))
+
+(def: (write-class [def-name [class-name bytecode]] sink)
+ (-> [Name Definition] java/util/jar/JarOutputStream java/util/jar/JarOutputStream)
+ (let [class-name (|> class-name name.internal name.read ..class-name)]
+ (do-to sink
+ (java/util/jar/JarOutputStream::putNextEntry (java/util/jar/JarEntry::new class-name))
+ (java/util/zip/ZipOutputStream::write bytecode +0 (.int (binary.size bytecode)))
+ (java/io/Flushable::flush)
+ (java/util/zip/ZipOutputStream::closeEntry))))
+
+(def: (write-module [module classes] sink)
+ (-> [Module (Buffer Definition)] java/util/jar/JarOutputStream java/util/jar/JarOutputStream)
+ (|> classes
+ row.to-list
+ (list@fold ..write-class sink)))
+
+(def: #export (package module outputs)
+ (-> Module (Output Definition) Binary)
+ (let [buffer (java/io/ByteArrayOutputStream::new (.int mega-byte))
+ sink (java/util/jar/JarOutputStream::new buffer (manifest module))]
+ (exec (|> outputs
+ row.to-list
+ (list@fold ..write-module sink))
+ (do-to sink
+ (java/io/Flushable::flush)
+ (java/io/Closeable::close))
+ (java/io/ByteArrayOutputStream::toByteArray buffer))))