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implementation module Debug
import StdArray, StdEnum
from StdFile import <<<, ferror, stderr
from StdMisc import abort
from StdTuple import fst
from StdList import ++
from StdBool import &&
from StdString import %
import Wrap, ShowWrapped
print :: ![{#Char}] .b -> .b
print debugStrings value
| fst (ferror (stderr <<< debugStrings))
= abort "Debug, print: couldn't write to stderr"
// otherwise
= value
debugBefore :: !.a !(DebugShowFunction .a) .b -> .b
debugBefore debugValue show value
= print (show debugValue) value
debugAfter :: !.a !(DebugShowFunction .a) !.b -> .b
debugAfter debugValue show value
= print (show debugValue) value
debugValue :: !(DebugShowFunction .a) !.a -> .a
debugValue show value
= print (show copy1) copy2
where
(copy1, copy2)
= copyUniqueValue value
copyUniqueValue :: !.a -> (!.a, !.a)
copyUniqueValue value
= code {
.o 1 0
push_a 0
.d 2 0
}
:: DebugShowFunction a :== !a -> [{#Char}]
debugShow :: DebugShowFunction .a
debugShow
= \debugValue -> ShowWrapped (Wrap debugValue) ++ ["\n"]
:: DebugOptionRecord
= {maxDepth :: !Int, maxBreadth :: !Int, maxChars :: !Int, terminator :: !{#Char}}
DebugDefaultOptions
:== {maxDepth = MaxInt, maxBreadth = MaxInt, maxChars = MaxInt, terminator = "\n"}
MaxInt
:== (1<<31)-1
:: DebugShowOption
= DebugMaxDepth !Int // default MaxInt
| DebugMaxBreadth !Int // default MaxInt
| DebugMaxChars !Int // default MaxInt
| DebugTerminator !{#Char} // default "\n"
debugShowWithOptions :: [DebugShowOption] -> DebugShowFunction .a
debugShowWithOptions debugOptions
= \debug -> chop maxChars (ShowWrapped (pruneWrappedNode maxDepth maxBreadth (Wrap debug))) ++ [terminator]
where
{maxDepth, maxBreadth, maxChars, terminator}
= set debugOptions DebugDefaultOptions
where
set [] options
= options
set [DebugMaxDepth maxDepth:t] options
= set t {options & maxDepth=maxDepth}
set [DebugMaxBreadth maxBreadth:t] options
= set t {options & maxBreadth=maxBreadth}
set [DebugMaxChars maxChars:t] options
= set t {options & maxChars=maxChars}
set [DebugTerminator terminator:t] options
= set t {options & terminator=terminator}
:: Indicators
= ...
| .+.
MaxCharsString
:== ".."
MaxBreadthString
:== "..."
MaxBreadthIndicator
:== Wrap ...
MaxDepthIndicator
:== Wrap .+.
pruneWrappedNode :: !Int !Int !WrappedNode -> !WrappedNode
pruneWrappedNode maxDepth maxBreadth value
= prune 0 value
where
prune :: !Int WrappedNode -> WrappedNode
prune depth value
| depth == maxDepth
= MaxDepthIndicator
prune depth (WrappedIntArray a)
= pruneBasicArray depth a
prune depth (WrappedBoolArray a)
= pruneBasicArray depth a
prune depth (WrappedRealArray a)
= pruneBasicArray depth a
prune depth (WrappedFileArray a)
= pruneBasicArray depth a
prune depth (WrappedString a)
| size a > maxBreadth
= WrappedString ((a % (0, maxBreadth-1)) +++ MaxBreadthString)
prune depth (WrappedArray a)
= WrappedArray (pruneArray depth a)
prune depth (WrappedRecord descriptor args)
= WrappedRecord descriptor (pruneArray depth args)
prune depth (WrappedOther WrappedDescriptorCons args)
| size args == 2
= WrappedOther WrappedDescriptorCons
{prune (depth+1) args.[0], prune depth args.[1]}
prune depth (WrappedOther WrappedDescriptorTuple args)
= WrappedOther WrappedDescriptorTuple (pruneArray depth args)
prune depth (WrappedOther descriptor args)
= WrappedOther descriptor (pruneArray depth args)
prune _ a
= a
pruneArray :: !Int !{WrappedNode} -> {WrappedNode}
pruneArray depth a
| size a > maxBreadth
= {{prune (depth+1) e \\ e <-: a & i <- [0 .. maxBreadth]}
& [maxBreadth] = MaxBreadthIndicator}
// otherwise
= {prune (depth+1) e \\ e <-: a}
pruneBasicArray :: !Int !(a b) -> WrappedNode | Array .a & ArrayElem b
pruneBasicArray depth a
| size a > maxBreadth
= WrappedArray (pruneArray depth {Wrap e \\ e <-: a & i <- [0 .. maxBreadth]})
// otherwise
= WrappedArray {Wrap e \\ e <-: a}
chop :: !Int ![{#Char}] -> [{#Char}]
chop _ []
= []
chop maxSize list=:[string:strings]
| maxSize < stringSize + sizeMaxCharsString
| fits maxSize list
= list
| stringSize > sizeMaxCharsString
= [string % (0, maxSize-sizeMaxCharsString-1), MaxCharsString]
// otherwise
= [MaxCharsString]
// otherwise
= [string : chop (maxSize - stringSize) strings]
where
fits _ []
= True
fits maxSize [h : t]
= maxSize >= size h && fits (maxSize - size h) t
stringSize
= size string
sizeMaxCharsString
= size MaxCharsString
instance <<< [a] | <<< a where
(<<<) :: *File [a] -> *File | <<< a
(<<<) file []
= file
(<<<) file [h:t]
= file <<< h <<< t
|
