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(.module:
[lux (#- int char)
[abstract
[monad (#+ do)]]
[control
["." function]
["p" parser]]
[data
["." maybe]
["." error]
[text
format]
[collection
["." list ("#/." functor)]]]
["." host (#+ import: do-to)]
[macro
["." code]
["s" syntax (#+ syntax:)]]
[tool
[compiler
[phase (#+ Operation)]]]]
["." // (#+ Primitive Inst)
["." type]])
## [Host]
(import: #long java/lang/Object)
(import: #long java/lang/String)
(syntax: (declare {codes (p.many s.local-identifier)})
(|> codes
(list/map (function (_ code) (` ((~' #static) (~ (code.local-identifier code)) (~' int)))))
wrap))
(`` (import: org/objectweb/asm/Opcodes
(#static NOP int)
## Conversion
(~~ (declare D2F D2I D2L
F2D F2I F2L
I2B I2C I2D I2F I2L I2S
L2D L2F L2I))
## Primitive
(~~ (declare T_BOOLEAN T_CHAR T_FLOAT T_DOUBLE
T_BYTE T_SHORT T_INT T_LONG))
## Class
(~~ (declare CHECKCAST NEW INSTANCEOF))
## Stack
(~~ (declare DUP DUP_X1 DUP_X2
DUP2 DUP2_X1 DUP2_X2
POP POP2
SWAP))
## Jump
(~~ (declare IF_ICMPEQ IF_ICMPGT IF_ICMPLT IF_ACMPEQ IFNULL
IFEQ IFNE IFLT IFLE IFGT IFGE
GOTO))
(#static ACONST_NULL int)
## Var
(~~ (declare ILOAD LLOAD DLOAD ALOAD
ISTORE LSTORE ASTORE))
## Arithmetic
(~~ (declare IADD ISUB IMUL IDIV IREM
LADD LSUB LMUL LDIV LREM LCMP
FADD FSUB FMUL FDIV FREM FCMPG FCMPL
DADD DSUB DMUL DDIV DREM DCMPG DCMPL))
## Bit-wise
(~~ (declare IAND IOR IXOR ISHL ISHR IUSHR
LAND LOR LXOR LSHL LSHR LUSHR))
## Array
(~~ (declare ARRAYLENGTH NEWARRAY ANEWARRAY
AALOAD AASTORE
BALOAD BASTORE
SALOAD SASTORE
IALOAD IASTORE
LALOAD LASTORE
FALOAD FASTORE
DALOAD DASTORE
CALOAD CASTORE))
## Member
(~~ (declare GETSTATIC PUTSTATIC GETFIELD PUTFIELD
INVOKESTATIC INVOKESPECIAL INVOKEVIRTUAL INVOKEINTERFACE))
(#static ATHROW int)
## Concurrency
(~~ (declare MONITORENTER MONITOREXIT))
## Return
(~~ (declare RETURN IRETURN LRETURN DRETURN ARETURN))
))
(import: org/objectweb/asm/Label
(new []))
(import: org/objectweb/asm/MethodVisitor
(visitCode [] void)
(visitMaxs [int int] void)
(visitEnd [] void)
(visitInsn [int] void)
(visitLdcInsn [Object] void)
(visitFieldInsn [int String String String] void)
(visitTypeInsn [int String] void)
(visitVarInsn [int int] void)
(visitIntInsn [int int] void)
(visitMethodInsn [int String String String boolean] void)
(visitLabel [Label] void)
(visitJumpInsn [int Label] void)
(visitTryCatchBlock [Label Label Label String] void)
(visitTableSwitchInsn [int int Label (Array Label)] void)
)
## [Insts]
(def: #export make-label
(All [s] (Operation s Label))
(function (_ state)
(#error.Success [state (Label::new)])))
(def: #export (with-label action)
(-> (-> Label Inst) Inst)
(action (Label::new)))
(template [<name> <type> <prepare>]
[(def: #export (<name> value)
(-> <type> Inst)
(function (_ visitor)
(do-to visitor
(MethodVisitor::visitLdcInsn (<prepare> value)))))]
[boolean Bit function.identity]
[int Int host.long-to-int]
[long Int function.identity]
[double Frac function.identity]
[char Nat (|>> .int host.long-to-int host.int-to-char)]
[string Text function.identity]
)
(syntax: (prefix {base s.local-identifier})
(wrap (list (` ((~ (code.local-identifier (format "Opcodes::" base))))))))
(def: #export NULL
Inst
(function (_ visitor)
(do-to visitor
(MethodVisitor::visitInsn (prefix ACONST_NULL)))))
(template [<name>]
[(def: #export <name>
Inst
(function (_ visitor)
(do-to visitor
(MethodVisitor::visitInsn (prefix <name>)))))]
[NOP]
## Stack
[DUP] [DUP_X1] [DUP_X2] [DUP2] [DUP2_X1] [DUP2_X2]
[POP] [POP2]
[SWAP]
## Conversions
[D2F] [D2I] [D2L]
[F2D] [F2I] [F2L]
[I2B] [I2C] [I2D] [I2F] [I2L] [I2S]
[L2D] [L2F] [L2I]
## Integer arithmetic
[IADD] [ISUB] [IMUL] [IDIV] [IREM]
## Integer bitwise
[IAND] [IOR] [IXOR] [ISHL] [ISHR] [IUSHR]
## Long arithmetic
[LADD] [LSUB] [LMUL] [LDIV] [LREM]
[LCMP]
## Long bitwise
[LAND] [LOR] [LXOR] [LSHL] [LSHR] [LUSHR]
## Float arithmetic
[FADD] [FSUB] [FMUL] [FDIV] [FREM] [FCMPG] [FCMPL]
## Double arithmetic
[DADD] [DSUB] [DMUL] [DDIV] [DREM]
[DCMPG] [DCMPL]
## Array
[ARRAYLENGTH]
[AALOAD] [AASTORE]
[BALOAD] [BASTORE]
[SALOAD] [SASTORE]
[IALOAD] [IASTORE]
[LALOAD] [LASTORE]
[FALOAD] [FASTORE]
[DALOAD] [DASTORE]
[CALOAD] [CASTORE]
## Exceptions
[ATHROW]
## Concurrency
[MONITORENTER] [MONITOREXIT]
## Return
[RETURN] [IRETURN] [LRETURN] [DRETURN] [ARETURN]
)
(template [<name>]
[(def: #export (<name> register)
(-> Nat Inst)
(function (_ visitor)
(do-to visitor
(MethodVisitor::visitVarInsn (prefix <name>) (.int register)))))]
[ILOAD] [LLOAD] [DLOAD] [ALOAD]
[ISTORE] [LSTORE] [ASTORE]
)
(template [<name> <inst>]
[(def: #export (<name> class field type)
(-> Text Text //.Type Inst)
(function (_ visitor)
(do-to visitor
(MethodVisitor::visitFieldInsn (<inst>) (type.binary-name class) field (type.descriptor type)))))]
[GETSTATIC Opcodes::GETSTATIC]
[PUTSTATIC Opcodes::PUTSTATIC]
[PUTFIELD Opcodes::PUTFIELD]
[GETFIELD Opcodes::GETFIELD]
)
(template [<name> <inst>]
[(def: #export (<name> class)
(-> Text Inst)
(function (_ visitor)
(do-to visitor
(MethodVisitor::visitTypeInsn (<inst>) (type.binary-name class)))))]
[CHECKCAST Opcodes::CHECKCAST]
[NEW Opcodes::NEW]
[INSTANCEOF Opcodes::INSTANCEOF]
[ANEWARRAY Opcodes::ANEWARRAY]
)
(def: #export (NEWARRAY type)
(-> Primitive Inst)
(function (_ visitor)
(do-to visitor
(MethodVisitor::visitIntInsn (Opcodes::NEWARRAY)
(case type
#//.Boolean (Opcodes::T_BOOLEAN)
#//.Byte (Opcodes::T_BYTE)
#//.Short (Opcodes::T_SHORT)
#//.Int (Opcodes::T_INT)
#//.Long (Opcodes::T_LONG)
#//.Float (Opcodes::T_FLOAT)
#//.Double (Opcodes::T_DOUBLE)
#//.Char (Opcodes::T_CHAR))))))
(template [<name> <inst>]
[(def: #export (<name> class method-name method-signature interface?)
(-> Text Text //.Method Bit Inst)
(function (_ visitor)
(do-to visitor
(MethodVisitor::visitMethodInsn (<inst>) (type.binary-name class) method-name (type.method-descriptor method-signature) interface?))))]
[INVOKESTATIC Opcodes::INVOKESTATIC]
[INVOKEVIRTUAL Opcodes::INVOKEVIRTUAL]
[INVOKESPECIAL Opcodes::INVOKESPECIAL]
[INVOKEINTERFACE Opcodes::INVOKEINTERFACE]
)
(template [<name>]
[(def: #export (<name> @where)
(-> //.Label Inst)
(function (_ visitor)
(do-to visitor
(MethodVisitor::visitJumpInsn (prefix <name>) @where))))]
[IF_ICMPEQ] [IF_ICMPGT] [IF_ICMPLT] [IF_ACMPEQ] [IFNULL]
[IFEQ] [IFNE] [IFLT] [IFLE] [IFGT] [IFGE]
[GOTO]
)
(def: #export (TABLESWITCH min max default labels)
(-> Int Int //.Label (List //.Label) Inst)
(function (_ visitor)
(let [num-labels (list.size labels)
labels-array (host.array Label num-labels)
_ (loop [idx 0]
(if (n/< num-labels idx)
(exec (host.array-write idx
(maybe.assume (list.nth idx labels))
labels-array)
(recur (inc idx)))
[]))]
(do-to visitor
(MethodVisitor::visitTableSwitchInsn min max default labels-array)))))
(def: #export (try @from @to @handler exception)
(-> //.Label //.Label //.Label Text Inst)
(function (_ visitor)
(do-to visitor
(MethodVisitor::visitTryCatchBlock @from @to @handler (type.binary-name exception)))))
(def: #export (label @label)
(-> //.Label Inst)
(function (_ visitor)
(do-to visitor
(MethodVisitor::visitLabel @label))))
(def: #export (array type)
(-> //.Type Inst)
(case type
(#//.Primitive prim)
(NEWARRAY prim)
(#//.Generic generic)
(let [elem-class (case generic
(#//.Class class params)
(type.binary-name class)
_
(type.binary-name "java.lang.Object"))]
(ANEWARRAY elem-class))
_
(ANEWARRAY (type.descriptor type))))
(def: (primitive-wrapper type)
(-> Primitive Text)
(case type
#//.Boolean "java.lang.Boolean"
#//.Byte "java.lang.Byte"
#//.Short "java.lang.Short"
#//.Int "java.lang.Integer"
#//.Long "java.lang.Long"
#//.Float "java.lang.Float"
#//.Double "java.lang.Double"
#//.Char "java.lang.Character"))
(def: (primitive-unwrap type)
(-> Primitive Text)
(case type
#//.Boolean "booleanValue"
#//.Byte "byteValue"
#//.Short "shortValue"
#//.Int "intValue"
#//.Long "longValue"
#//.Float "floatValue"
#//.Double "doubleValue"
#//.Char "charValue"))
(def: #export (wrap type)
(-> Primitive Inst)
(let [class (primitive-wrapper type)]
(|>> (INVOKESTATIC class "valueOf"
(type.method (list (#//.Primitive type))
(#.Some (type.class class (list)))
(list))
#0))))
(def: #export (unwrap type)
(-> Primitive Inst)
(let [class (primitive-wrapper type)]
(|>> (CHECKCAST class)
(INVOKEVIRTUAL class (primitive-unwrap type)
(type.method (list) (#.Some (#//.Primitive type)) (list))
#0))))
(def: #export (fuse insts)
(-> (List Inst) Inst)
(case insts
#.Nil
function.identity
(#.Cons singleton #.Nil)
singleton
(#.Cons head tail)
(function.compose (fuse tail) head)))
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