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|
(.module:
[lux (#- Type)
["." host (#+ import: do-to)]
[control
["." function]]
[data
["." product]
[number
["i" int]]
["." text
["%" format (#+ format)]]
[collection
["." array (#+ Array)]
["." list ("#/." functor)]]]
[target
[jvm
[encoding
["." name]]
["$t" type (#+ Method Class Type Parameter)
["." reflection]
["." descriptor (#+ Descriptor)]]]]]
["." //])
(import: #long java/lang/Object)
(import: #long java/lang/String)
(import: org/objectweb/asm/Opcodes
(#static ACC_PUBLIC int)
(#static ACC_PROTECTED int)
(#static ACC_PRIVATE int)
(#static ACC_TRANSIENT int)
(#static ACC_VOLATILE int)
(#static ACC_ABSTRACT int)
(#static ACC_FINAL int)
(#static ACC_STATIC int)
(#static ACC_SYNCHRONIZED int)
(#static ACC_STRICT int)
(#static ACC_SUPER int)
(#static ACC_INTERFACE int)
(#static V1_1 int)
(#static V1_2 int)
(#static V1_3 int)
(#static V1_4 int)
(#static V1_5 int)
(#static V1_6 int)
(#static V1_7 int)
(#static V1_8 int)
)
(import: org/objectweb/asm/FieldVisitor
(visitEnd [] void))
(import: org/objectweb/asm/MethodVisitor
(visitCode [] void)
(visitMaxs [int int] void)
(visitEnd [] void))
(import: org/objectweb/asm/ClassWriter
(#static COMPUTE_MAXS int)
(#static COMPUTE_FRAMES int)
(new [int])
(visit [int int String String String [String]] void)
(visitEnd [] void)
(visitField [int String String String Object] FieldVisitor)
(visitMethod [int String String String [String]] MethodVisitor)
(toByteArray [] [byte]))
(def: (string-array values)
(-> (List Text) (Array Text))
(let [output (host.array String (list.size values))]
(exec (list/map (function (_ [idx value])
(host.array-write idx value output))
(list.enumerate values))
output)))
(def: (version-flag version)
(-> //.Version Int)
(case version
#//.V1_1 (Opcodes::V1_1)
#//.V1_2 (Opcodes::V1_2)
#//.V1_3 (Opcodes::V1_3)
#//.V1_4 (Opcodes::V1_4)
#//.V1_5 (Opcodes::V1_5)
#//.V1_6 (Opcodes::V1_6)
#//.V1_7 (Opcodes::V1_7)
#//.V1_8 (Opcodes::V1_8)))
(def: (visibility-flag visibility)
(-> //.Visibility Int)
(case visibility
#//.Public (Opcodes::ACC_PUBLIC)
#//.Protected (Opcodes::ACC_PROTECTED)
#//.Private (Opcodes::ACC_PRIVATE)
#//.Default +0))
(def: (class-flags config)
(-> //.Class-Config Int)
($_ i.+
(if (get@ #//.finalC config) (Opcodes::ACC_FINAL) +0)))
(def: (method-flags config)
(-> //.Method-Config Int)
($_ i.+
(if (get@ #//.staticM config) (Opcodes::ACC_STATIC) +0)
(if (get@ #//.finalM config) (Opcodes::ACC_FINAL) +0)
(if (get@ #//.synchronizedM config) (Opcodes::ACC_SYNCHRONIZED) +0)
(if (get@ #//.strictM config) (Opcodes::ACC_STRICT) +0)))
(def: (field-flags config)
(-> //.Field-Config Int)
($_ i.+
(if (get@ #//.staticF config) (Opcodes::ACC_STATIC) +0)
(if (get@ #//.finalF config) (Opcodes::ACC_FINAL) +0)
(if (get@ #//.transientF config) (Opcodes::ACC_TRANSIENT) +0)
(if (get@ #//.volatileF config) (Opcodes::ACC_VOLATILE) +0)))
(def: class-to-type
(-> Class Type)
(|>> #$t.Class #$t.Generic))
(def: param-signature
(-> Class Text)
(|>> class-to-type $t.signature (format ":")))
(def: (formal-param [name super interfaces])
(-> Parameter Text)
(format name
(param-signature super)
(|> interfaces
(list/map param-signature)
(text.join-with ""))))
(def: (parameters-signature parameters super interfaces)
(-> (List Parameter) Class (List Class)
Text)
(let [formal-params (if (list.empty? parameters)
""
(format "<"
(|> parameters
(list/map formal-param)
(text.join-with ""))
">"))]
(format formal-params
(|> super class-to-type $t.signature)
(|> interfaces
(list/map (|>> class-to-type $t.signature))
(text.join-with "")))))
(def: class-computes
Int
($_ i.+
(ClassWriter::COMPUTE_MAXS)
## (ClassWriter::COMPUTE_FRAMES)
))
(def: binary-name (|>> name.internal name.read))
(template [<name> <flag>]
[(def: #export (<name> version visibility config name parameters super interfaces
definitions)
(-> //.Version //.Visibility //.Class-Config Text (List Parameter) Class (List Class) //.Def
(host.type [byte]))
(let [writer (|> (do-to (ClassWriter::new class-computes)
(ClassWriter::visit (version-flag version)
($_ i.+
(Opcodes::ACC_SUPER)
<flag>
(visibility-flag visibility)
(class-flags config))
(..binary-name name)
(parameters-signature parameters super interfaces)
(|> super product.left ..binary-name)
(|> interfaces
(list/map (|>> product.left ..binary-name))
string-array)))
definitions)
_ (ClassWriter::visitEnd writer)]
(ClassWriter::toByteArray writer)))]
[class +0]
[abstract (Opcodes::ACC_ABSTRACT)]
)
(def: $Object Class ["java.lang.Object" (list)])
(def: #export (interface version visibility config name parameters interfaces
definitions)
(-> //.Version //.Visibility //.Class-Config Text (List Parameter) (List Class) //.Def
(host.type [byte]))
(let [writer (|> (do-to (ClassWriter::new class-computes)
(ClassWriter::visit (version-flag version)
($_ i.+
(Opcodes::ACC_SUPER)
(Opcodes::ACC_INTERFACE)
(visibility-flag visibility)
(class-flags config))
(..binary-name name)
(parameters-signature parameters $Object interfaces)
(|> $Object product.left ..binary-name)
(|> interfaces
(list/map (|>> product.left ..binary-name))
string-array)))
definitions)
_ (ClassWriter::visitEnd writer)]
(ClassWriter::toByteArray writer)))
(def: #export (method visibility config name type then)
(-> //.Visibility //.Method-Config Text (Descriptor descriptor.Method) //.Inst
//.Def)
(function (_ writer)
(let [=method (ClassWriter::visitMethod ($_ i.+
(visibility-flag visibility)
(method-flags config))
(..binary-name name)
(descriptor.descriptor type)
(host.null)
(string-array (list))
writer)
_ (MethodVisitor::visitCode =method)
_ (then =method)
_ (MethodVisitor::visitMaxs +0 +0 =method)
_ (MethodVisitor::visitEnd =method)]
writer)))
(def: #export (abstract-method visibility config name type)
(-> //.Visibility //.Method-Config Text (Descriptor descriptor.Method)
//.Def)
(function (_ writer)
(let [=method (ClassWriter::visitMethod ($_ i.+
(visibility-flag visibility)
(method-flags config)
(Opcodes::ACC_ABSTRACT))
(..binary-name name)
(descriptor.descriptor type)
(host.null)
(string-array (list))
writer)
_ (MethodVisitor::visitEnd =method)]
writer)))
(def: #export (field visibility config name type)
(-> //.Visibility //.Field-Config Text (Descriptor descriptor.Field) //.Def)
(function (_ writer)
(let [=field (do-to (ClassWriter::visitField ($_ i.+
(visibility-flag visibility)
(field-flags config))
(..binary-name name)
(descriptor.descriptor type)
(host.null)
(host.null)
writer)
(FieldVisitor::visitEnd))]
writer)))
(template [<name> <lux-type> <jvm-type> <prepare>]
[(def: #export (<name> visibility config name value)
(-> //.Visibility //.Field-Config Text <lux-type> //.Def)
(function (_ writer)
(let [=field (do-to (ClassWriter::visitField ($_ i.+
(visibility-flag visibility)
(field-flags config))
(..binary-name name)
(descriptor.descriptor <jvm-type>)
(host.null)
(<prepare> value)
writer)
(FieldVisitor::visitEnd))]
writer)))]
[boolean-field Bit descriptor.boolean function.identity]
[byte-field Int descriptor.byte host.long-to-byte]
[short-field Int descriptor.short host.long-to-short]
[int-field Int descriptor.int host.long-to-int]
[long-field Int descriptor.long function.identity]
[float-field Frac descriptor.float host.double-to-float]
[double-field Frac descriptor.double function.identity]
[char-field Nat descriptor.char (|>> .int host.long-to-int host.int-to-char)]
[string-field Text (descriptor.class "java.lang.String") function.identity]
)
(def: #export (fuse defs)
(-> (List //.Def) //.Def)
(case defs
#.Nil
function.identity
(#.Cons singleton #.Nil)
singleton
(#.Cons head tail)
(function.compose (fuse tail) head)))
|
