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-rw-r--r--luxc/src/lux/compiler/host.clj278
1 files changed, 216 insertions, 62 deletions
diff --git a/luxc/src/lux/compiler/host.clj b/luxc/src/lux/compiler/host.clj
index 4eba0a294..57d2f8b33 100644
--- a/luxc/src/lux/compiler/host.clj
+++ b/luxc/src/lux/compiler/host.clj
@@ -753,6 +753,13 @@
(.visitInsn Opcodes/POP2) ;; Y2, X2
))
+(defn ^:private swap2x1 [^MethodVisitor =method]
+ (doto =method
+ ;; X1, Y2
+ (.visitInsn Opcodes/DUP2_X1) ;; Y2, X1, Y2
+ (.visitInsn Opcodes/POP2) ;; Y2, X1
+ ))
+
(defn ^:private bit-set-64? [^MethodVisitor =method]
(doto =method
;; L, I
@@ -766,7 +773,8 @@
))
(defn ^:private compile-LuxRT-frac-methods [^ClassWriter =class]
- (|let [_ (doto (.visitMethod =class (+ Opcodes/ACC_PUBLIC Opcodes/ACC_STATIC) "mul_frac" "(JJ)J" nil nil)
+ (|let [frac-bits 64
+ _ (doto (.visitMethod =class (+ Opcodes/ACC_PUBLIC Opcodes/ACC_STATIC) "mul_frac" "(JJ)J" nil nil)
;; Based on: http://stackoverflow.com/a/31629280/6823464
(.visitCode)
;; Bottom part
@@ -903,76 +911,222 @@
(.visitInsn Opcodes/IRETURN)
(.visitMaxs 0 0)
(.visitEnd)))
- _ (let [$start (new Label)
- $can-append (new Label)
- $end (new Label)]
- (doto (.visitMethod =class (+ Opcodes/ACC_PUBLIC Opcodes/ACC_STATIC) "make_text_start_0" "(J)Ljava/lang/String;" nil nil)
+ _ (let [$loop-start (new Label)
+ $do-a-round (new Label)]
+ (doto (.visitMethod =class (+ Opcodes/ACC_PUBLIC Opcodes/ACC_STATIC) "times5" "(I[B)[B" nil nil)
(.visitCode)
- ;; Initialize accum
- (.visitLdcInsn "") ;; S
- (.visitVarInsn Opcodes/ASTORE 2) ;;
- ;; Initialize comparator
- (.visitLdcInsn (long 10)) ;; L
- ;; Testing/accum loop
- (.visitLabel $start) ;; L
- (.visitInsn Opcodes/DUP2) ;; L, L
- (.visitVarInsn Opcodes/LLOAD 0) ;; L, L, L
- (.visitInsn Opcodes/LCMP) ;; L, I
- (.visitJumpInsn Opcodes/IFLT $can-append) ;; L
- ;; No more testing.
- ;; Throw away the comparator and return accum.
- (.visitInsn Opcodes/POP2) ;;
- (.visitVarInsn Opcodes/ALOAD 2) ;; S
- (.visitJumpInsn Opcodes/GOTO $end)
- ;; Can keep accumulating
- (.visitLabel $can-append) ;; L
- ;; Add one more 0 to accum
- (.visitVarInsn Opcodes/ALOAD 2) ;; L, S
- (.visitLdcInsn "0") ;; L, S, S
- (.visitMethodInsn Opcodes/INVOKEVIRTUAL "java/lang/String" "concat" "(Ljava/lang/String;)Ljava/lang/String;") ;; L, S
- (.visitVarInsn Opcodes/ASTORE 2) ;; L
- ;; Update comparator and re-iterate
- (.visitLdcInsn (long 10)) ;; L, L
- (.visitInsn Opcodes/LMUL) ;; L
- (.visitJumpInsn Opcodes/GOTO $start)
- (.visitLabel $end) ;; S
+ (.visitLdcInsn (int 0)) ;; {carry}
+ (.visitLabel $loop-start)
+ (.visitVarInsn Opcodes/ILOAD 0)
+ (.visitJumpInsn Opcodes/IFGE $do-a-round)
+ (.visitVarInsn Opcodes/ALOAD 1)
+ (.visitInsn Opcodes/ARETURN)
+ ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+ ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+ ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+ ;; {carry}
+ (.visitLabel $do-a-round)
+ (.visitVarInsn Opcodes/ALOAD 1)
+ (.visitVarInsn Opcodes/ILOAD 0)
+ (.visitInsn Opcodes/BALOAD) ;; {carry, current-digit}
+ (.visitLdcInsn (int 5))
+ (.visitInsn Opcodes/IMUL)
+ (.visitInsn Opcodes/IADD) ;; {next-raw-digit}
+ (.visitInsn Opcodes/DUP)
+ (.visitLdcInsn (int 10))
+ (.visitInsn Opcodes/IREM) ;; {next-raw-digit, next-digit}
+ (.visitVarInsn Opcodes/ALOAD 1)
+ (.visitVarInsn Opcodes/ILOAD 0)
+ swap2x1
+ (.visitInsn Opcodes/BASTORE) ;; {next-raw-digit}
+ (.visitLdcInsn (int 10))
+ (.visitInsn Opcodes/IDIV) ;; {next-carry}
+ ;; Decrement index
+ (.visitVarInsn Opcodes/ILOAD 0)
+ (.visitLdcInsn (int 1))
+ (.visitInsn Opcodes/ISUB)
+ (.visitVarInsn Opcodes/ISTORE 0)
+ ;; Iterate
+ (.visitJumpInsn Opcodes/GOTO $loop-start)
+ (.visitMaxs 0 0)
+ (.visitEnd)))
+ _ (let [$loop-start (new Label)
+ $do-a-round (new Label)]
+ (doto (.visitMethod =class (+ Opcodes/ACC_PUBLIC Opcodes/ACC_STATIC) "frac_digit_power" "(I)[B" nil nil)
+ (.visitCode)
+ ;; Initialize digits array.
+ (.visitLdcInsn (int frac-bits))
+ (.visitIntInsn Opcodes/NEWARRAY Opcodes/T_BYTE) ;; {digits}
+ (.visitInsn Opcodes/DUP)
+ (.visitVarInsn Opcodes/ILOAD 0)
+ (.visitLdcInsn (int 1))
+ (.visitInsn Opcodes/BASTORE) ;; digits = 5^0
+ (.visitVarInsn Opcodes/ASTORE 1)
+ ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+ ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+ ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+ (.visitVarInsn Opcodes/ILOAD 0) ;; {times}
+ (.visitLabel $loop-start)
+ (.visitInsn Opcodes/DUP)
+ (.visitJumpInsn Opcodes/IFGE $do-a-round)
+ (.visitVarInsn Opcodes/ALOAD 1)
+ (.visitInsn Opcodes/ARETURN)
+ ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+ ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+ ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+ (.visitLabel $do-a-round)
+ ;; {times}
+ (.visitVarInsn Opcodes/ILOAD 0)
+ (.visitVarInsn Opcodes/ALOAD 1)
+ (.visitMethodInsn Opcodes/INVOKESTATIC "lux/LuxRT" "times5" "(I[B)[B") ;; {digits*5, times}
+ (.visitVarInsn Opcodes/ASTORE 1) ;; {times}
+ ;; Decrement index
+ (.visitLdcInsn (int 1))
+ (.visitInsn Opcodes/ISUB)
+ ;; {times-1}
+ (.visitJumpInsn Opcodes/GOTO $loop-start)
+ (.visitMaxs 0 0)
+ (.visitEnd)))
+ _ (let [$loop-start (new Label)
+ $do-a-round (new Label)]
+ (doto (.visitMethod =class (+ Opcodes/ACC_PUBLIC Opcodes/ACC_STATIC) "add_frac_digit_powers" "([B[B)[B" nil nil)
+ (.visitCode)
+ (.visitLdcInsn (int (dec frac-bits)))
+ (.visitVarInsn Opcodes/ISTORE 2) ;; Index
+ (.visitLdcInsn (int frac-bits))
+ (.visitIntInsn Opcodes/NEWARRAY Opcodes/T_BYTE)
+ (.visitVarInsn Opcodes/ASTORE 3) ;; added_digits
+ (.visitLdcInsn (int 0)) ;; {carry}
+ ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+ ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+ ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+ ;; {carry}
+ (.visitLabel $loop-start)
+ (.visitVarInsn Opcodes/ILOAD 2)
+ (.visitJumpInsn Opcodes/IFGE $do-a-round)
+ ;; {carry}
+ (.visitVarInsn Opcodes/ALOAD 3)
(.visitInsn Opcodes/ARETURN)
+ ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+ ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+ ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+ ;; {carry}
+ (.visitLabel $do-a-round)
+ (.visitVarInsn Opcodes/ALOAD 0)
+ (.visitVarInsn Opcodes/ILOAD 2)
+ (.visitInsn Opcodes/BALOAD) ;; {carry, dL}
+ (.visitVarInsn Opcodes/ALOAD 1)
+ (.visitVarInsn Opcodes/ILOAD 2)
+ (.visitInsn Opcodes/BALOAD) ;; {carry, dL, dR}
+ (.visitInsn Opcodes/IADD)
+ (.visitInsn Opcodes/IADD) ;; {raw-next-digit}
+ (.visitInsn Opcodes/DUP)
+ (.visitLdcInsn (int 10))
+ (.visitInsn Opcodes/IREM) ;; {raw-next-digit, next-digit}
+ (.visitVarInsn Opcodes/ALOAD 3)
+ (.visitVarInsn Opcodes/ILOAD 2)
+ swap2x1
+ (.visitInsn Opcodes/BASTORE) ;; {raw-next-digit}
+ (.visitLdcInsn (int 10))
+ (.visitInsn Opcodes/IDIV) ;; {next-carry}
+ ;; Decrement index
+ (.visitVarInsn Opcodes/ILOAD 2)
+ (.visitLdcInsn (int 1))
+ (.visitInsn Opcodes/ISUB)
+ (.visitVarInsn Opcodes/ISTORE 2)
+ ;; Iterate
+ (.visitJumpInsn Opcodes/GOTO $loop-start)
+ (.visitMaxs 0 0)
+ (.visitEnd)))
+ _ (let [$loop-start (new Label)
+ $do-a-round (new Label)]
+ (doto (.visitMethod =class (+ Opcodes/ACC_PUBLIC Opcodes/ACC_STATIC) "frac_digits_to_text" "([B)Ljava/lang/String;" nil nil)
+ (.visitCode)
+ (.visitLdcInsn (int (dec frac-bits)))
+ (.visitVarInsn Opcodes/ISTORE 1) ;; Index
+ (.visitLdcInsn "") ;; {text}
+ ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+ ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+ ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+ (.visitLabel $loop-start)
+ (.visitVarInsn Opcodes/ILOAD 1)
+ (.visitJumpInsn Opcodes/IFGE $do-a-round)
+ (.visitInsn Opcodes/ARETURN)
+ ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+ ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+ ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+ (.visitLabel $do-a-round)
+ (.visitVarInsn Opcodes/ALOAD 0)
+ (.visitVarInsn Opcodes/ILOAD 1)
+ (.visitInsn Opcodes/BALOAD) ;; {text, digit}
+ (.visitLdcInsn (int 10)) ;; {text, digit, radix}
+ (.visitMethodInsn Opcodes/INVOKESTATIC "java/lang/Character" "forDigit" "(II)C") ;; {text, digit-char}
+ (.visitMethodInsn Opcodes/INVOKESTATIC "java/lang/Character" "toString" "(C)Ljava/lang/String;") ;; {text, digit-char-text}
+ (.visitInsn Opcodes/SWAP)
+ (.visitMethodInsn Opcodes/INVOKEVIRTUAL "java/lang/String" "concat" "(Ljava/lang/String;)Ljava/lang/String;")
+ ;; Decrement index
+ (.visitVarInsn Opcodes/ILOAD 1)
+ (.visitLdcInsn (int 1))
+ (.visitInsn Opcodes/ISUB)
+ (.visitVarInsn Opcodes/ISTORE 1)
+ ;; Iterate
+ (.visitJumpInsn Opcodes/GOTO $loop-start)
(.visitMaxs 0 0)
(.visitEnd)))
- _ (let [$is-zero (new Label)]
+ _ (let [$loop-start (new Label)
+ $do-a-round (new Label)
+ $not-set (new Label)
+ $next-iteration (new Label)]
(doto (.visitMethod =class (+ Opcodes/ACC_PUBLIC Opcodes/ACC_STATIC) "encode_frac" "(J)Ljava/lang/String;" nil nil)
(.visitCode)
- (.visitVarInsn Opcodes/LLOAD 0)
- (.visitLdcInsn (long 0))
- (.visitInsn Opcodes/LCMP)
- (.visitJumpInsn Opcodes/IFEQ $is-zero)
- ;; IF != 0
- ;; Add prefix dot for later usage.
+ (.visitLdcInsn (int (dec frac-bits)))
+ (.visitVarInsn Opcodes/ISTORE 2) ;; Index
+ (.visitLdcInsn (int frac-bits))
+ (.visitIntInsn Opcodes/NEWARRAY Opcodes/T_BYTE)
+ (.visitVarInsn Opcodes/ASTORE 3) ;; digits
+ ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+ ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+ ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+ (.visitLabel $loop-start)
+ (.visitVarInsn Opcodes/ILOAD 2)
+ (.visitJumpInsn Opcodes/IFGE $do-a-round)
+ ;; Prepare text to return.
+ (.visitVarInsn Opcodes/ALOAD 3)
+ (.visitMethodInsn Opcodes/INVOKESTATIC "lux/LuxRT" "frac_digits_to_text" "([B)Ljava/lang/String;")
(.visitLdcInsn ".")
- ;; Generate leading 0s
- (.visitLdcInsn (long 1))
- (.visitVarInsn Opcodes/LLOAD 0)
- (.visitMethodInsn Opcodes/INVOKESTATIC "lux/LuxRT" "count_bin_start_0" "(J)I")
- (.visitInsn Opcodes/LSHL)
- (.visitMethodInsn Opcodes/INVOKESTATIC "lux/LuxRT" "make_text_start_0" "(J)Ljava/lang/String;")
- ;; Convert to number text
- (.visitVarInsn Opcodes/LLOAD 0)
- (.visitMethodInsn Opcodes/INVOKESTATIC "java/lang/Long" "toUnsignedString" "(J)Ljava/lang/String;")
- ;; Remove unnecessary trailing zeroes
- (.visitLdcInsn "0*$")
- (.visitMethodInsn Opcodes/INVOKEVIRTUAL "java/lang/String" "split" "(Ljava/lang/String;)[Ljava/lang/String;")
- (.visitLdcInsn (int 0))
- (.visitInsn Opcodes/AALOAD)
- ;; Join leading 0s with number text
- (.visitMethodInsn Opcodes/INVOKEVIRTUAL "java/lang/String" "concat" "(Ljava/lang/String;)Ljava/lang/String;")
- ;; Join with prefix dot
+ (.visitInsn Opcodes/SWAP)
(.visitMethodInsn Opcodes/INVOKEVIRTUAL "java/lang/String" "concat" "(Ljava/lang/String;)Ljava/lang/String;")
- ;; FINISH
- (.visitInsn Opcodes/ARETURN)
- ;; IF == 0
- (.visitLabel $is-zero)
- (.visitLdcInsn ".0")
(.visitInsn Opcodes/ARETURN)
+ ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+ ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+ ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+ (.visitLabel $do-a-round)
+ (.visitVarInsn Opcodes/LLOAD 0)
+ (.visitVarInsn Opcodes/ILOAD 2)
+ bit-set-64?
+ (.visitJumpInsn Opcodes/IFEQ $next-iteration)
+ (.visitLdcInsn (int (dec frac-bits)))
+ (.visitVarInsn Opcodes/ILOAD 2)
+ (.visitInsn Opcodes/ISUB)
+ (.visitMethodInsn Opcodes/INVOKESTATIC "lux/LuxRT" "frac_digit_power" "(I)[B")
+ (.visitVarInsn Opcodes/ALOAD 3)
+ (.visitMethodInsn Opcodes/INVOKESTATIC "lux/LuxRT" "add_frac_digit_powers" "([B[B)[B")
+ (.visitVarInsn Opcodes/ASTORE 3)
+ (.visitJumpInsn Opcodes/GOTO $next-iteration)
+ ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+ ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+ ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+ (.visitLabel $next-iteration)
+ ;; Decrement index
+ (.visitVarInsn Opcodes/ILOAD 2)
+ (.visitLdcInsn (int 1))
+ (.visitInsn Opcodes/ISUB)
+ (.visitVarInsn Opcodes/ISTORE 2)
+ ;; Iterate
+ (.visitJumpInsn Opcodes/GOTO $loop-start)
+ ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+ ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+ ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(.visitMaxs 0 0)
(.visitEnd)))
_ (let [$end (new Label)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-12 23:16:44 +0000