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|
(;module:
[lux #- char]
(lux (control monad
["p" parser])
(data [maybe]
["e" error]
text/format
(coll [list "L/" Functor<List>]))
[host #+ do-to]
[meta]
(meta [code]
["s" syntax #+ syntax:]))
["$" ..]
(.. ["$t" type]))
## [Host]
(host;import #long java.lang.Object)
(host;import #long java.lang.String)
(syntax: (declare [codes (p;many s;local-symbol)])
(|> codes
(L/map (function [code] (` ((~' #static) (~ (code;local-symbol code)) (~' int)))))
wrap))
(`` (host;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))
))
(host;import org.objectweb.asm.FieldVisitor
(visitEnd [] void))
(host;import org.objectweb.asm.Label
(new []))
(host;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
(Meta Label)
(function [compiler]
(#e;Success [compiler (Label.new [])])))
(def: #export (with-label action)
(-> (-> Label $;Inst) $;Inst)
(action (Label.new [])))
(do-template [<name> <type> <prepare>]
[(def: #export (<name> value)
(-> <type> $;Inst)
(function [visitor]
(do-to visitor
(MethodVisitor.visitLdcInsn [(<prepare> value)]))))]
[boolean Bool id]
[int Int host;l2i]
[long Int id]
[double Frac id]
[char Nat (|>. nat-to-int host;l2i host;i2c)]
[string Text id]
)
(syntax: (prefix [base s;local-symbol])
(wrap (list (code;local-symbol (format "Opcodes." base)))))
(def: #export NULL
$;Inst
(function [visitor]
(do-to visitor
(MethodVisitor.visitInsn [(prefix ACONST_NULL)]))))
(do-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]
)
(do-template [<name>]
[(def: #export (<name> register)
(-> Nat $;Inst)
(function [visitor]
(do-to visitor
(MethodVisitor.visitVarInsn [(prefix <name>) (nat-to-int register)]))))]
[ILOAD] [LLOAD] [DLOAD] [ALOAD]
[ISTORE] [LSTORE] [ASTORE]
)
(do-template [<name> <inst>]
[(def: #export (<name> class field type)
(-> Text Text $;Type $;Inst)
(function [visitor]
(do-to visitor
(MethodVisitor.visitFieldInsn [<inst> ($t;binary-name class) field ($t;descriptor type)]))))]
[GETSTATIC Opcodes.GETSTATIC]
[PUTSTATIC Opcodes.PUTSTATIC]
[PUTFIELD Opcodes.PUTFIELD]
[GETFIELD Opcodes.GETFIELD]
)
(do-template [<name> <inst>]
[(def: #export (<name> class)
(-> Text $;Inst)
(function [visitor]
(do-to visitor
(MethodVisitor.visitTypeInsn [<inst> ($t;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)]))))
(do-template [<name> <inst>]
[(def: #export (<name> class method-name method-signature interface?)
(-> Text Text $;Method Bool $;Inst)
(function [visitor]
(do-to visitor
(MethodVisitor.visitMethodInsn [<inst> ($t;binary-name class) method-name ($t;method-descriptor method-signature) interface?]))))]
[INVOKESTATIC Opcodes.INVOKESTATIC]
[INVOKEVIRTUAL Opcodes.INVOKEVIRTUAL]
[INVOKESPECIAL Opcodes.INVOKESPECIAL]
[INVOKEINTERFACE Opcodes.INVOKEINTERFACE]
)
(do-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 (n.inc idx)))
[]))]
(do-to visitor
(MethodVisitor.visitTableSwitchInsn [min max default labels-array])))))
(def: #export (try @from @to @handler exception)
(-> $;Label $;Label $;Label Text $;Inst)
(function [visitor]
(do-to visitor
(MethodVisitor.visitTryCatchBlock [@from @to @handler ($t;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)
($t;binary-name class)
_
($t;binary-name "java.lang.Object"))]
(ANEWARRAY elem-class))
_
(ANEWARRAY ($t;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 $;Inst)
(let [class (primitive-wrapper type)]
(|>. (INVOKESTATIC class "valueOf"
($t;method (list (#$;Primitive type))
(#;Some ($t;class class (list)))
(list))
false))))
(def: #export (unwrap type)
(-> $;Primitive $;Inst)
(let [class (primitive-wrapper type)]
(|>. (CHECKCAST class)
(INVOKEVIRTUAL class (primitive-unwrap type)
($t;method (list) (#;Some (#$;Primitive type)) (list))
false))))
(def: #export (fuse insts)
(-> (List $;Inst) $;Inst)
(case insts
#;Nil
id
(#;Cons singleton #;Nil)
singleton
(#;Cons head tail)
(. (fuse tail) head)))
|
