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-rw-r--r--stdlib/source/lux/target/jvm/bytecode.lux232
-rw-r--r--stdlib/source/lux/target/jvm/bytecode/address.lux8
-rw-r--r--stdlib/source/lux/target/jvm/bytecode/environment.lux49
-rw-r--r--stdlib/source/lux/target/jvm/bytecode/environment/limit/stack.lux17
-rw-r--r--stdlib/source/lux/tool/compiler/phase/generation/jvm/runtime.lux25
-rw-r--r--stdlib/source/test/lux/target/jvm.lux69
6 files changed, 272 insertions, 128 deletions
diff --git a/stdlib/source/lux/target/jvm/bytecode.lux b/stdlib/source/lux/target/jvm/bytecode.lux
index 34e887bc1..5ad3d2204 100644
--- a/stdlib/source/lux/target/jvm/bytecode.lux
+++ b/stdlib/source/lux/target/jvm/bytecode.lux
@@ -9,7 +9,8 @@
["." state (#+ State')]
["." function]
["." try (#+ Try)]
- ["." exception (#+ exception:)]]
+ ["." exception (#+ exception:)]
+ ["." pipe (#+ when>)]]
[data
["." product]
["." maybe]
@@ -31,7 +32,8 @@
["_" instruction (#+ Primitive-Array-Type Instruction Estimator) ("#@." monoid)]
["#." environment (#+ Environment)
[limit
- ["/." registry (#+ Register Registry)]]]
+ ["/." registry (#+ Register Registry)]
+ ["/." stack (#+ Stack)]]]
["/#" // #_
["#." index (#+ Index)]
[encoding
@@ -50,7 +52,7 @@
(type: #export Label Nat)
-(type: #export Resolver (Dictionary Label Address))
+(type: #export Resolver (Dictionary Label [Stack (Maybe Address)]))
(type: #export Tracker
{#program-counter Address
@@ -110,18 +112,45 @@
(exception.report
["Label" (%.nat label)]))
-(def: #export (set-label label)
- (-> Label (Bytecode Any))
- (function (_ [pool environment tracker])
- (if (dictionary.contains? label (get@ #known tracker))
- (exception.throw ..label-has-already-been-set [label])
- (#try.Success [[pool
- environment
- (update@ #known
- (dictionary.put label (get@ #program-counter tracker))
- tracker)]
- [..relative-identity
- []]]))))
+(exception: #export (mismatched-environments {instruction Name}
+ {label Label}
+ {address Address}
+ {expected Stack}
+ {actual Stack})
+ (exception.report
+ ["Instruction" (%.name instruction)]
+ ["Label" (%.nat label)]
+ ["Address" (/address.format address)]
+ ["Expected" (/stack.format expected)]
+ ["Actual" (/stack.format actual)]))
+
+(with-expansions [<success> (as-is (#try.Success [[pool
+ environment
+ (update@ #known
+ (dictionary.put label [actual (#.Some @here)])
+ tracker)]
+ [..relative-identity
+ []]]))]
+ (def: #export (set-label label)
+ (-> Label (Bytecode Any))
+ (function (_ [pool environment tracker])
+ (let [@here (get@ #program-counter tracker)]
+ (case (dictionary.get label (get@ #known tracker))
+ (#.Some [expected (#.Some address)])
+ (exception.throw ..label-has-already-been-set [label])
+
+ (#.Some [expected #.None])
+ (do try.monad
+ [[actual environment] (/environment.continue expected environment)]
+ <success>)
+
+ #.None
+ (do try.monad
+ [[actual environment] (/environment.continue (|> environment
+ (get@ #/environment.stack)
+ (maybe.default /stack.empty))
+ environment)]
+ <success>))))))
(def: #export monad
(Monad Bytecode)
@@ -132,10 +161,9 @@
(: (Monad Try))
try.monad))
-(def: #export (fail error)
+(def: #export fail
(-> Text Bytecode)
- (function (_ [pool environment tracker])
- (#try.Failure error)))
+ (|>> #try.Failure function.constant))
(def: #export (throw exception value)
(All [e] (-> (exception.Exception e) e Bytecode))
@@ -191,6 +219,17 @@
[@4 5]
)
+(def: discontinuity!
+ (Bytecode Any)
+ (function (_ [pool environment tracker])
+ (do try.monad
+ [_ (/environment.stack environment)]
+ (#try.Success [[pool
+ (/environment.discontinue environment)
+ tracker]
+ [..relative-identity
+ []]]))))
+
(template [<name> <consumption> <production> <registry> <instruction>]
[(def: #export <name>
(Bytecode Any)
@@ -369,21 +408,29 @@
[dcmpl $4 $1 @_ _.dcmpl]
[dcmpg $4 $1 @_ _.dcmpg]
- [ireturn $1 $0 @_ _.ireturn]
- [lreturn $2 $0 @_ _.lreturn]
- [freturn $1 $0 @_ _.freturn]
- [dreturn $2 $0 @_ _.dreturn]
- [areturn $1 $0 @_ _.areturn]
- [return $0 $0 @_ _.return]
-
[arraylength $1 $1 @_ _.arraylength]
- [athrow $1 $0 @_ _.athrow]
-
[monitorenter $1 $0 @_ _.monitorenter]
[monitorexit $1 $0 @_ _.monitorexit]
)
+(template [<name> <consumption> <instruction>]
+ [(def: #export <name>
+ (Bytecode Any)
+ (do ..monad
+ [_ (..bytecode <consumption> $0 @_ <instruction> [])]
+ ..discontinuity!))]
+
+ [ireturn $1 _.ireturn]
+ [lreturn $2 _.lreturn]
+ [freturn $1 _.freturn]
+ [dreturn $2 _.dreturn]
+ [areturn $1 _.areturn]
+ [return $0 _.return]
+
+ [athrow $1 _.athrow]
+ )
+
(def: #export (bipush byte)
(-> U1 (Bytecode Any))
(..bytecode $0 $1 @_ _.bipush [byte]))
@@ -597,12 +644,19 @@
(:: @ map (|>> #.Left) (//signed.s4 jump))
(:: @ map (|>> #.Right) (//signed.s2 jump))))))
+(exception: #export (unset-label {label Label})
+ (exception.report
+ ["Label" (%.nat label)]))
+
(def: (resolve-label label resolver)
- (-> Label Resolver (Try Address))
+ (-> Label Resolver (Try [Stack Address]))
(case (dictionary.get label resolver)
- (#.Some address)
- (#try.Success address)
+ (#.Some [actual (#.Some address)])
+ (#try.Success [actual address])
+ (#.Some [actual #.None])
+ (exception.throw ..unset-label [label])
+
#.None
(exception.throw ..unknown-label [label])))
@@ -611,23 +665,32 @@
(-> Label (Bytecode Any))
(let [[estimator bytecode] <instruction>]
(function (_ [pool environment tracker])
- (do try.monad
- [environment' (|> environment
- (/environment.consumes <consumption>))
- program-counter' (step estimator (get@ #program-counter tracker))]
- (wrap (let [@from (get@ #program-counter tracker)]
- [[pool environment' (set@ #program-counter program-counter' tracker)]
- [(function (_ resolver)
- (do try.monad
- [@to (..resolve-label label resolver)
- jump (..jump @from @to)]
- (case jump
- (#.Left jump)
- (exception.throw ..cannot-do-a-big-jump [label @from jump])
-
- (#.Right jump)
- (#try.Success [..no-exceptions (bytecode jump)]))))
- []]]))))))]
+ (let [@here (get@ #program-counter tracker)]
+ (do try.monad
+ [environment' (|> environment
+ (/environment.consumes <consumption>))
+ actual (/environment.stack environment')
+ program-counter' (step estimator @here)]
+ (wrap (let [@from @here]
+ [[pool
+ environment'
+ (|> tracker
+ (when> [(get@ #known) (dictionary.contains? label) not]
+ [(update@ #known (dictionary.put label [actual #.None]))])
+ (set@ #program-counter program-counter'))]
+ [(function (_ resolver)
+ (do try.monad
+ [[expected @to] (..resolve-label label resolver)
+ _ (exception.assert ..mismatched-environments [(name-of <instruction>) label @here expected actual]
+ (:: /stack.equivalence = expected actual))
+ jump (..jump @from @to)]
+ (case jump
+ (#.Left jump)
+ (exception.throw ..cannot-do-a-big-jump [label @from jump])
+
+ (#.Right jump)
+ (#try.Success [..no-exceptions (bytecode jump)]))))
+ []]])))))))]
[$1 ifeq _.ifeq]
[$1 ifne _.ifne]
@@ -655,14 +718,20 @@
(let [[estimator bytecode] _.goto]
(function (_ [pool environment tracker])
(do try.monad
- [program-counter' (step estimator (get@ #program-counter tracker))]
- (wrap (let [@from (get@ #program-counter tracker)]
- [[pool environment (set@ #program-counter program-counter' tracker)]
+ [#let [@here (get@ #program-counter tracker)]
+ program-counter' (step estimator @here)]
+ (wrap (let [@from @here]
+ [[pool
+ (/environment.discontinue environment)
+ (set@ #program-counter program-counter' tracker)]
[(function (_ resolver)
(case (dictionary.get label resolver)
- (#.Some @to)
+ (#.Some [expected (#.Some @to)])
(do try.monad
- [jump (..jump @from @to)]
+ [actual (/environment.stack environment)
+ _ (exception.assert ..mismatched-environments [(name-of _.goto) label @here expected actual]
+ (:: /stack.equivalence = expected actual))
+ jump (..jump @from @to)]
(case jump
(#.Left jump)
(exception.throw ..cannot-do-a-big-jump [label @from jump])
@@ -670,6 +739,9 @@
(#.Right jump)
(#try.Success [..no-exceptions (bytecode jump)])))
+ (#.Some [expected #.None])
+ (exception.throw ..unset-label [label])
+
#.None
(exception.throw ..unknown-label [label])))
[]]]))))))
@@ -679,14 +751,20 @@
(let [[estimator bytecode] _.goto-w]
(function (_ [pool environment tracker])
(do try.monad
- [program-counter' (step estimator (get@ #program-counter tracker))]
- (wrap (let [@from (get@ #program-counter tracker)]
- [[pool environment (set@ #program-counter program-counter' tracker)]
+ [#let [@here (get@ #program-counter tracker)]
+ program-counter' (step estimator @here)]
+ (wrap (let [@from @here]
+ [[pool
+ (/environment.discontinue environment)
+ (set@ #program-counter program-counter' tracker)]
[(function (_ resolver)
(case (dictionary.get label resolver)
- (#.Some @to)
+ (#.Some [expected (#.Some @to)])
(do try.monad
- [jump (..jump @from @to)]
+ [actual (/environment.stack environment)
+ _ (exception.assert ..mismatched-environments [(name-of _.goto-w) label @here expected actual]
+ (:: /stack.equivalence = expected actual))
+ jump (..jump @from @to)]
(case jump
(#.Left jump)
(#try.Success [..no-exceptions (bytecode jump)])
@@ -694,6 +772,9 @@
(#.Right jump)
(#try.Success [..no-exceptions (bytecode (/jump.lift jump))])))
+ (#.Some [expected #.None])
+ (exception.throw ..unset-label [label])
+
#.None
(exception.throw ..unknown-label [label])))
[]]]))))))
@@ -720,13 +801,17 @@
(wrap (let [@from (get@ #program-counter tracker)]
[[pool environment' (set@ #program-counter program-counter' tracker)]
[(function (_ resolver)
- (let [get (: (-> Label (Maybe Address))
+ (let [get (: (-> Label (Maybe [Stack (Maybe Address)]))
(function (_ label)
(dictionary.get label resolver)))]
(case (do maybe.monad
- [@default (get default)
- @at-minimum (get at-minimum)
- @afterwards (monad.map @ get afterwards)]
+ [[_ @default] (get default)
+ @default @default
+ [_ @at-minimum] (get at-minimum)
+ @at-minimum @at-minimum
+ @afterwards (|> afterwards
+ (monad.map @ get)
+ (monad.bind @ (monad.map @ product.right)))]
(wrap [@default @at-minimum @afterwards]))
(#.Some [@default @at-minimum @afterwards])
(do try.monad
@@ -757,12 +842,15 @@
(wrap (let [@from (get@ #program-counter tracker)]
[[pool environment' (set@ #program-counter program-counter' tracker)]
[(function (_ resolver)
- (let [get (: (-> Label (Maybe Address))
+ (let [get (: (-> Label (Maybe [Stack (Maybe Address)]))
(function (_ label)
(dictionary.get label resolver)))]
(case (do maybe.monad
- [@default (get default)
- @cases (monad.map @ (|>> product.right get) cases)]
+ [[_ @default] (get default)
+ @default @default
+ @cases (|> cases
+ (monad.map @ (|>> product.right get))
+ (monad.bind @ (monad.map @ product.right)))]
(wrap [@default @cases]))
(#.Some [@default @cases])
(do try.monad
@@ -785,8 +873,8 @@
[(def: #export (<name> class)
(-> (Type <category>) (Bytecode Any))
(do ..monad
- ## TODO: Make sure it's impossible to have indexes greater than U2.
- [index (..lift (//constant/pool.class (//name.internal (..reflection class))))]
+ [## TODO: Make sure it's impossible to have indexes greater than U2.
+ index (..lift (//constant/pool.class (//name.internal (..reflection class))))]
(..bytecode <consumption> <production> @_ <instruction> [index])))]
[$0 $1 new Class _.new]
@@ -882,15 +970,19 @@
[@catch (..lift (//constant/pool.class (//name.internal (..reflection catch))))]
(function (_ [pool environment tracker])
(#try.Success
- [[pool environment tracker]
+ [[pool
+ environment
+ (|> tracker
+ (when> [(get@ #known) (dictionary.contains? @handler) not]
+ [(update@ #known (dictionary.put @handler [/stack.catch #.None]))]))]
[(function (_ resolver)
(do try.monad
- [@start (..resolve-label @start resolver)
- @end (..resolve-label @end resolver)
+ [[_ @start] (..resolve-label @start resolver)
+ [_ @end] (..resolve-label @end resolver)
_ (if (/address.after? @start @end)
(wrap [])
(exception.throw ..invalid-range-for-try [@start @end]))
- @handler (..resolve-label @handler resolver)]
+ [_ @handler] (..resolve-label @handler resolver)]
(wrap [(row.row {#//exception.start @start
#//exception.end @end
#//exception.handler @handler
diff --git a/stdlib/source/lux/target/jvm/bytecode/address.lux b/stdlib/source/lux/target/jvm/bytecode/address.lux
index 4b58b1ca1..0af06f9e9 100644
--- a/stdlib/source/lux/target/jvm/bytecode/address.lux
+++ b/stdlib/source/lux/target/jvm/bytecode/address.lux
@@ -9,7 +9,9 @@
[format
[binary (#+ Writer)]]
[number
- ["n" nat]]]
+ ["n" nat]]
+ [text
+ ["%" format (#+ Format)]]]
[type
abstract]]
["." // #_
@@ -65,4 +67,8 @@
(def: #export writer
(Writer Address)
(|>> :representation ///unsigned.writer/2))
+
+ (def: #export format
+ (Format Address)
+ (|>> :representation ///unsigned.value %.nat))
)
diff --git a/stdlib/source/lux/target/jvm/bytecode/environment.lux b/stdlib/source/lux/target/jvm/bytecode/environment.lux
index 51927b96e..7ebacf5de 100644
--- a/stdlib/source/lux/target/jvm/bytecode/environment.lux
+++ b/stdlib/source/lux/target/jvm/bytecode/environment.lux
@@ -4,7 +4,8 @@
[monad (#+ do)]
[monoid (#+ Monoid)]]
[control
- ["." try (#+ Try)]]]
+ ["." try (#+ Try)]
+ ["." exception (#+ exception:)]]]
[/
["/." limit (#+ Limit)
["/." stack (#+ Stack)]
@@ -17,7 +18,7 @@
(type: #export Environment
{#limit Limit
- #stack Stack})
+ #stack (Maybe Stack)})
(template [<name> <limit>]
[(def: #export (<name> type)
@@ -25,7 +26,7 @@
(do try.monad
[limit (<limit> type)]
(wrap {#limit limit
- #stack /stack.empty})))]
+ #stack (#.Some /stack.empty)})))]
[static /limit.static]
[virtual /limit.virtual]
@@ -45,25 +46,59 @@
[environment (left environment)]
(right environment)))))
+(exception: #export discontinuity)
+
+(def: #export (stack environment)
+ (-> Environment (Try Stack))
+ (case (get@ #..stack environment)
+ (#.Some stack)
+ (#try.Success stack)
+
+ #.None
+ (exception.throw ..discontinuity [])))
+
+(def: #export discontinue
+ (-> Environment Environment)
+ (set@ #..stack #.None))
+
+(exception: #export (mismatched-stacks {expected Stack}
+ {actual Stack})
+ (exception.report
+ ["Expected" (/stack.format expected)]
+ ["Actual" (/stack.format actual)]))
+
+(def: #export (continue expected environment)
+ (-> Stack Environment (Try [Stack Environment]))
+ (case (get@ #..stack environment)
+ (#.Some actual)
+ (if (:: /stack.equivalence = expected actual)
+ (#try.Success [actual environment])
+ (exception.throw ..mismatched-stacks [expected actual]))
+
+ #.None
+ (#try.Success [expected (set@ #..stack (#.Some expected) environment)])))
+
(def: #export (consumes amount)
(-> U2 Condition)
## TODO: Revisit this definition once lenses/optics have been implemented,
## since it can probably be simplified with them.
(function (_ environment)
(do try.monad
- [stack' (/stack.pop amount (get@ #..stack environment))]
- (wrap (set@ #..stack stack' environment)))))
+ [previous (..stack environment)
+ current (/stack.pop amount previous)]
+ (wrap (set@ #..stack (#.Some current) environment)))))
(def: #export (produces amount)
(-> U2 Condition)
(function (_ environment)
(do try.monad
- [current (/stack.push amount (get@ #..stack environment))
+ [previous (..stack environment)
+ current (/stack.push amount previous)
#let [limit (|> environment
(get@ [#..limit #/limit.stack])
(/stack.max current))]]
(wrap (|> environment
- (set@ #..stack current)
+ (set@ #..stack (#.Some current))
(set@ [#..limit #/limit.stack] limit))))))
(def: #export (has registry)
diff --git a/stdlib/source/lux/target/jvm/bytecode/environment/limit/stack.lux b/stdlib/source/lux/target/jvm/bytecode/environment/limit/stack.lux
index 87ad6a31b..fe72f79a5 100644
--- a/stdlib/source/lux/target/jvm/bytecode/environment/limit/stack.lux
+++ b/stdlib/source/lux/target/jvm/bytecode/environment/limit/stack.lux
@@ -6,6 +6,8 @@
["." try (#+ Try)]]
[data
["." maybe]
+ [text
+ ["%" format (#+ Format)]]
[format
[binary (#+ Writer)]]]
[type
@@ -19,9 +21,14 @@
U2
- (def: #export empty
- Stack
- (|> 0 /////unsigned.u2 maybe.assume :abstraction))
+ (template [<frames> <name>]
+ [(def: #export <name>
+ Stack
+ (|> <frames> /////unsigned.u2 maybe.assume :abstraction))]
+
+ [0 empty]
+ [1 catch]
+ )
(def: #export equivalence
(Equivalence Stack)
@@ -53,6 +60,10 @@
(:abstraction
(/////unsigned.max/2 (:representation left)
(:representation right))))
+
+ (def: #export format
+ (Format Stack)
+ (|>> :representation /////unsigned.value %.nat))
)
(def: #export length
diff --git a/stdlib/source/lux/tool/compiler/phase/generation/jvm/runtime.lux b/stdlib/source/lux/tool/compiler/phase/generation/jvm/runtime.lux
index c8076cada..f2349ff41 100644
--- a/stdlib/source/lux/tool/compiler/phase/generation/jvm/runtime.lux
+++ b/stdlib/source/lux/tool/compiler/phase/generation/jvm/runtime.lux
@@ -162,19 +162,18 @@
(def: (risky $unsafe)
(-> (Bytecode Any) (Bytecode Any))
(do _.monad
- [@from _.new-label
- @to _.new-label
+ [@try _.new-label
@handler _.new-label]
($_ _.compose
- (_.try @from @to @handler //type.error)
- (_.set-label @from)
+ (_.try @try @handler @handler //type.error)
+ (_.set-label @try)
$unsafe
..some-injection
_.areturn
- (_.set-label @to)
(_.set-label @handler)
..none-injection
- _.areturn)))
+ _.areturn
+ )))
(def: decode-frac::name "decode_frac")
(def: decode-frac::type (type.method [(list //type.text) //type.variant (list)]))
@@ -189,7 +188,8 @@
($_ _.compose
..this
(_.invokestatic //type.frac "parseDouble" (type.method [(list //type.text) type.double (list)]))
- (//value.wrap type.double))))))
+ (//value.wrap type.double)
+ )))))
(def: #export log!
(Bytecode Any)
@@ -450,8 +450,7 @@
(list)
(#.Some
(do _.monad
- [@from _.new-label
- @to _.new-label
+ [@try _.new-label
@handler _.new-label
#let [$unsafe ..this
unit _.aconst-null
@@ -473,11 +472,10 @@
## WTP
)]]
($_ _.compose
- (_.try @from @to @handler //type.error)
- (_.set-label @from)
+ (_.try @try @handler @handler //type.error)
+ (_.set-label @try)
$unsafe unit ..apply
..right-injection _.areturn
- (_.set-label @to)
(_.set-label @handler) ## T
string-writer ## TW
_.dup-x1 ## WTW
@@ -520,8 +518,7 @@
left-projection::method
right-projection::method
- ..try::method
- ))
+ ..try::method))
(row.row)))]
(do ////.monad
[_ (///.execute! class [class bytecode])]
diff --git a/stdlib/source/test/lux/target/jvm.lux b/stdlib/source/test/lux/target/jvm.lux
index 7b2283cb8..ab6cd5867 100644
--- a/stdlib/source/test/lux/target/jvm.lux
+++ b/stdlib/source/test/lux/target/jvm.lux
@@ -1314,14 +1314,16 @@
(function (_ goto)
(<| (..bytecode (|>> (:coerce java/lang/Long) ("jvm leq" expected)))
(do /.monad
- [^value /.new-label
- ^end /.new-label
- _ (goto ^value)
+ [@skipped /.new-label
+ @value /.new-label
+ @end /.new-label
+ _ (goto @value)
+ _ (/.set-label @skipped)
_ (..$Long::literal dummy)
- _ (goto ^end)
- _ (/.set-label ^value)
+ _ (goto @end)
+ _ (/.set-label @value)
_ (..$Long::literal expected)
- _ (/.set-label ^end)]
+ _ (/.set-label @end)]
..$Long::wrap))))]]
($_ _.and
(_.lift "GOTO" (jump /.goto))
@@ -1339,17 +1341,17 @@
afterwards (:: @ map (n.% 10) random.nat)])
(..bytecode (|>> (:coerce java/lang/Long) ("jvm leq" expected)))
(do /.monad
- [^right /.new-label
- ^wrong /.new-label
- ^return /.new-label
+ [@right /.new-label
+ @wrong /.new-label
+ @return /.new-label
_ (/.bipush (|> minimum /signed.value .nat /unsigned.u1 try.assume))
- _ (/.tableswitch minimum ^wrong [^right (list.repeat afterwards ^wrong)])
- _ (/.set-label ^wrong)
+ _ (/.tableswitch minimum @wrong [@right (list.repeat afterwards @wrong)])
+ _ (/.set-label @wrong)
_ (..$Long::literal dummy)
- _ (/.goto ^return)
- _ (/.set-label ^right)
+ _ (/.goto @return)
+ _ (/.set-label @right)
_ (..$Long::literal expected)
- _ (/.set-label ^return)]
+ _ (/.set-label @return)]
..$Long::wrap))
(<| (_.lift "LOOKUPSWITCH")
(do random.monad
@@ -1365,20 +1367,20 @@
dummy ..$Long::random])
(..bytecode (|>> (:coerce java/lang/Long) ("jvm leq" expected)))
(do /.monad
- [^right /.new-label
- ^wrong /.new-label
- ^return /.new-label
+ [@right /.new-label
+ @wrong /.new-label
+ @return /.new-label
_ (..$Integer::literal (host.long-to-int choice))
- _ (/.lookupswitch ^wrong (list@map (function (_ option)
+ _ (/.lookupswitch @wrong (list@map (function (_ option)
[(|> option /signed.s4 try.assume)
- (if (i.= choice option) ^right ^wrong)])
+ (if (i.= choice option) @right @wrong)])
options))
- _ (/.set-label ^wrong)
+ _ (/.set-label @wrong)
_ (..$Long::literal dummy)
- _ (/.goto ^return)
- _ (/.set-label ^right)
+ _ (/.goto @return)
+ _ (/.set-label @right)
_ (..$Long::literal expected)
- _ (/.set-label ^return)]
+ _ (/.set-label @return)]
..$Long::wrap))
))
@@ -1392,23 +1394,24 @@
(..bytecode (|>> (:coerce java/lang/Long) ("jvm leq" expected)))
(do /.monad
[#let [$Exception (/type.class "java.lang.Exception" (list))]
- ^start /.new-label
- ^end /.new-label
- ^handler /.new-label
- ^return /.new-label
- _ (/.try ^start ^end ^handler $Exception)
- _ (/.set-label ^start)
+ @skipped /.new-label
+ @try /.new-label
+ @handler /.new-label
+ @return /.new-label
+ _ (/.try @try @handler @handler $Exception)
+ _ (/.set-label @try)
_ (/.new $Exception)
_ /.dup
_ (..$String::literal exception)
_ (/.invokespecial $Exception "<init>" (/type.method [(list ..$String) /type.void (list)]))
_ /.athrow
+ _ (/.set-label @skipped)
_ (..$Long::literal dummy)
- _ (/.goto ^return)
- _ (/.set-label ^end)
- _ (/.set-label ^handler)
+ _ (/.goto @return)
+ _ (/.set-label @handler)
+ _ /.pop
_ (..$Long::literal expected)
- _ (/.set-label ^return)]
+ _ (/.set-label @return)]
..$Long::wrap))))
(def: code
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-23 09:53:26 +0000