"{ Package: 'stx:libjava/tools' }"

"{ NameSpace: Smalltalk }"

Object subclass:#JavaAbstractSourceHighlighter

	instanceVariableNames:'preferences cachedStringEmphasis cachedStringColor sourceText

		sourceIndex'

	classVariableNames:''

	poolDictionaries:''

	category:'Languages-Java-Tools-Source'

!

!JavaAbstractSourceHighlighter class methodsFor:'formatting'!

formatClass: javaClass

    ^self new formatClassDefinition: javaClass source in: javaClass

    "Created: / 15-12-2011 / 21:54:15 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

formatClassDefinition:source in:class

    ^self new formatClassDefinition:source in:class

    "Created: / 04-08-2011 / 23:44:52 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

formatClassDefinition:source in:class elementsInto: elements

    ^self new formatClassDefinition:source in:class elementsInto: elements

    "Created: / 04-08-2011 / 23:44:13 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

formatExpression:source in:class

    ^self new formatExpression:source in:class

    "Created: / 04-08-2011 / 23:45:01 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

formatExpression:source in:class elementsInto: elements

    ^self new formatExpression:source in:class elementsInto: elements

    "Created: / 04-08-2011 / 23:43:40 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

formatMethod:mth source:source in:class

    ^self formatMethod: mth source: source in: class using: UserPreferences current

    "Created: / 11-02-2012 / 18:18:32 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

formatMethod:mth source:source in:class using: preferences

    ^self new formatMethod:mth source:source in:class using: preferences

    "Created: / 04-08-2011 / 23:45:10 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

formatMethod:mth source:source in:class using: preferences elementsInto: elements

    ^self new formatMethod:mth source:source in:class using: preferences elementsInto: elements

    "Created: / 04-08-2011 / 23:42:54 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

formatMethod:mthd source:newCode line: line number: lnr in:cls using:syntaxPreferences

    ^ self new formatMethod:mthd source:newCode line: line number: lnr in:cls using:syntaxPreferences

    "Created: / 25-06-2014 / 12:50:03 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!JavaAbstractSourceHighlighter class methodsFor:'queries'!

isAbstract

    "Return if this class is an abstract class.

     True is returned here for myself only; false for subclasses.

     Abstract subclasses must redefine again."

    ^ self == JavaAbstractSourceHighlighter.

! !

!JavaAbstractSourceHighlighter methodsFor:'formatting'!

formatClassDefinition:arg1 in:arg2

    "raise an error: must be redefined in concrete subclass(es)"

    ^ self subclassResponsibility

!

formatClassDefinition:source in:class elementsInto: els

    sourceIndex := els.

    ^self formatClassDefinition:source in:class

    "Created: / 04-08-2011 / 23:44:13 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

formatExpression:source in:class

    ^ self format: source

    "Created: / 04-08-2011 / 23:45:01 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 03-10-2013 / 20:19:35 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

formatExpression:source in:class elementsInto: els

    sourceIndex := els.

    ^self formatExpression:source in:class

    "Created: / 04-08-2011 / 23:43:40 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

formatMethod:arg1 source:arg2 in:arg3 using:arg4

    "raise an error: must be redefined in concrete subclass(es)"

    ^ self subclassResponsibility

!

formatMethod:mth source:source in:class using: prefs elementsInto: els

    preferences := prefs.

    preferences isNil ifTrue:[

        "/ The `...codeViewThene ? UserPreferences current` trick below is 

        "/ there to make this code working with both old and editor-thene-aware 

        "/ code. Will wanish as soon as editor thene support will be

        "/ integrated.

        preferences := UserPreferences current codeViewTheme ? UserPreferences current.

    ].  

    sourceIndex := els.

    ^self formatMethod:mth source:source in:class using: prefs

    "Created: / 04-08-2011 / 23:42:54 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 05-12-2017 / 21:17:13 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

formatMethod:mthd source:newCode line: line number: lnr in:cls using:syntaxPreferences

    ^ self subclassResponsibility

    "Modified (comment): / 25-06-2014 / 12:49:11 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!JavaAbstractSourceHighlighter methodsFor:'syntax detection'!

markArgumentIdentifierFrom:pos1 to:pos2

    self 

        markFrom:pos1 to:pos2 

        withEmphasis:(preferences argumentIdentifierEmphasis) color:(preferences argumentIdentifierColor)

!

markBadIdentifierFrom:pos1 to:pos2

    self 

        markFrom:pos1 to:pos2 

        withEmphasis:(preferences badIdentifierEmphasis) 

        color:(preferences badIdentifierColor)

!

markClassVariableIdentifierFrom:pos1 to:pos2

    self 

        markFrom:pos1 to:pos2 

        withEmphasis:(preferences classVariableIdentifierEmphasis) color:(preferences classVariableIdentifierColor)

    "Modified: / 31.3.1998 / 18:02:14 / cg"

!

markCommentFrom:pos1 to:pos2

    self 

        markFrom:pos1 to:pos2 

        withEmphasis:(preferences commentEmphasis) color:(preferences commentColor)

!

markConstantFrom:pos1 to:pos2

    self 

        markFrom:pos1 to:pos2 

        withEmphasis:(preferences constantEmphasis) color:(preferences constantColor)

!

markFrom:pos1 to:pos2 withEmphasis:fontEmp color:clrIn

    |e p2 clr|

    clr := clrIn onDevice:Screen current.

    clr = Color black ifTrue:[

        e := fontEmp

    ] ifFalse:[

        fontEmp isNil ifTrue:[

            e := (#color->clr)

        ] ifFalse:[

            e := Text addEmphasis:fontEmp to:(#color->clr).

        ]

    ].

    (p2 := pos2) isNil ifTrue:[

        p2 := sourceText size

    ] ifFalse:[

        p2 := p2 min:sourceText size

    ].

    sourceText emphasizeFrom:pos1 to:p2 with:e

    "Created: / 31.3.1998 / 13:26:53 / cg"

    "Modified: / 1.4.1998 / 12:51:56 / cg"

!

markFunctionNameFrom:pos1 to:pos2

    self 

        markFrom:pos1 to:pos2 

        withEmphasis:(preferences methodSelectorEmphasis) color:(preferences methodSelectorColor)

!

markGlobalClassIdentifierFrom:pos1 to:pos2

    self 

        markFrom:pos1 to:pos2 

        withEmphasis:(preferences globalClassIdentifierEmphasis) color:(preferences globalClassIdentifierColor)

    "Modified: / 31.3.1998 / 18:02:14 / cg"

    "Created: / 4.3.1999 / 12:53:02 / cg"

!

markGlobalIdentifierFrom:pos1 to:pos2

    self 

        markFrom:pos1 to:pos2 

        withEmphasis:(preferences globalIdentifierEmphasis) color:(preferences globalIdentifierColor)

    "Modified: / 31.3.1998 / 18:02:14 / cg"

!

markIdentifierFrom:pos1 to:pos2

    self 

        markFrom:pos1 to:pos2 

        withEmphasis:(preferences identifierEmphasis) color:(preferences identifierColor)

!

markInstVarIdentifierFrom:pos1 to:pos2

    self 

        markFrom:pos1 to:pos2 

        withEmphasis:(preferences instVarIdentifierEmphasis) color:(preferences instVarIdentifierColor)

    "Created: / 16.4.1998 / 18:35:40 / cg"

    "Modified: / 16.4.1998 / 18:37:30 / cg"

!

markKeyword:kw from:pos1 to:pos2

    |em clr|

    ( #( 'if' 'else'

         'while'

         'for'

         'do'

         'return'

         'continue'

         'break'

    ) includes:kw) ifTrue:[

        em := preferences controlFlowSelectorEmphasis. 

        clr := preferences controlFlowSelectorColor.

    ] ifFalse:[

        em := preferences jsKeywordEmphasis.

        clr := preferences jsKeywordColor.

    ].

    self 

        markFrom:pos1 to:pos2 

        withEmphasis:em color:clr

    "Modified: / 19-05-2010 / 15:07:59 / cg"

    "Modified: / 07-08-2013 / 00:28:08 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

markKeywordFlowFrom:pos1 to:pos2

    self 

        markFrom:pos1 to:pos2 

        withEmphasis:preferences controlFlowSelectorEmphasis

        color:preferences controlFlowSelectorColor

    "Created: / 05-09-2013 / 03:09:15 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

markKeywordFrom:pos1 to:pos2

    self 

        markFrom:pos1 to:pos2 

        withEmphasis:preferences jsKeywordEmphasis

        color:preferences jsKeywordColor

    "Created: / 05-09-2013 / 03:09:08 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

markLocalIdentifierFrom:pos1 to:pos2

    self 

        markFrom:pos1 to:pos2 

        withEmphasis:(preferences localIdentifierEmphasis) color:(preferences localIdentifierColor)

!

markProblem: problem from:pos1 to:pos2

    self 

        markFrom:pos1 to:pos2 

        withEmphasis:(preferences badIdentifierEmphasis) 

        color:(preferences badIdentifierColor)

    "Created: / 15-04-2013 / 22:23:30 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

markSelector:selectorString from:pos1 to:pos2 

    | fg em |

    fg := preferences selectorColor.

    em := preferences selectorEmphasis.

    self

        markFrom:pos1 to:pos2 

        withEmphasis:em color:fg

    "Modified: / 04-10-2011 / 19:48:48 / cg"

    "Modified: / 17-03-2012 / 13:26:38 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Created: / 17-03-2012 / 19:12:20 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

markSelector:selectorString from:pos1 to:pos2 receiverNode:aReceiverNodeOrNil numArgs:numArgs

    |fg selectorSymbol check ok rec em currentEnvironment currentSuperclasses currentSubclasses classToCompileFor fullSelectorCheck|

    fg := preferences selectorColor.

    em := preferences selectorEmphasis.

"/    (currentEnvironment notNil

"/    and:[ (((currentEnvironment _localVariables ? #()) contains:[:local | local name = selectorString]) 

"/          or:[((currentEnvironment _argVariables ? #()) contains:[:local | local name = selectorString])])

"/    ])

"/    ifTrue:[

"/        "/ a local call

"/    ] ifFalse:[

"/        selectorSymbol := (self translatedSmalltalkSelectorFor:selectorString numArgs:numArgs) asSymbolIfInterned.

"/        selectorSymbol isNil ifTrue:[

"/            fg := Color red.

"/        ] ifFalse:[

"/            fullSelectorCheck == true ifTrue:[

"/                aReceiverNodeOrNil notNil ifTrue:[

"/                    check := [:cls | (cls includesSelector:selectorSymbol)

"/                                     or:[cls class includesSelector:selectorSymbol]].

"/

"/                    ok := false.

"/

"/                    "/ limit search if possible

"/                    (classToCompileFor notNil

"/                     and:[aReceiverNodeOrNil isSelf or:[aReceiverNodeOrNil isSuper]]) ifTrue:[

"/                        currentSuperclasses isNil ifTrue:[

"/                            currentSuperclasses := classToCompileFor withAllSuperclasses.

"/                        ].

"/                        ok := currentSuperclasses contains:check.

"/                        (ok not and:[aReceiverNodeOrNil isSelf]) ifTrue:[

"/                            currentSubclasses isNil ifTrue:[

"/                                currentSubclasses := classToCompileFor allSubclasses.

"/                            ].

"/                            ok := currentSubclasses contains:check.

"/                        ].

"/                    ] ifFalse:[

"/                        aReceiverNodeOrNil isConstant ifTrue:[

"/                            ok := aReceiverNodeOrNil evaluate class withAllSuperclasses contains:check.

"/                        ] ifFalse:[

"/                            (aReceiverNodeOrNil isGlobal 

"/                            and:[(rec := aReceiverNodeOrNil evaluate) isBehavior]) ifTrue:[

"/                                ok := rec class withAllSuperclasses contains:check.

"/                            ] ifFalse:[

"/                                ok := Smalltalk allClasses contains:check

"/                            ]

"/                        ]

"/                    ].

"/

"/                    ok ifFalse:[

"/                        em := preferences unimplementedSelectorEmphasis.

"/                        fg := preferences unimplementedSelectorColor.

"/                    ]

"/                ]

"/            ]

"/        ].

"/    ].

    self

        markFrom:pos1 to:pos2 

        withEmphasis:em color:fg

    "Modified: / 04-10-2011 / 19:48:48 / cg"

    "Modified: / 17-03-2012 / 13:26:38 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

markSelectorFrom:pos1 to:pos2 

    | fg em |

    fg := preferences selectorColor.

    em := preferences selectorEmphasis.

    self

        markFrom:pos1 to:pos2 

        withEmphasis:em color:fg

    "Created: / 11-09-2013 / 05:01:23 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

markSelfFrom:pos1 to:pos2

    self 

        markFrom:pos1 to:pos2 

        withEmphasis:(preferences selfEmphasis) color:(preferences selfColor)

!

markStringFrom:pos1 to:pos2

    self 

        markFrom:pos1 to:pos2 

        withEmphasis:(preferences stringEmphasis) color:(preferences stringColor)

!

markUnknownIdentifierFrom:pos1 to:pos2

    self 

        markFrom:pos1 to:pos2 

        withEmphasis:(preferences unknownIdentifierEmphasis) color:(preferences unknownIdentifierColor)

!

markVariable:v from:pos to:endPos

    "support for syntaxColoring"

    |type globalValue nameSym|

    type := v type.

    (type == #BlockArg

    or:[type == #MethodArg]) ifTrue:[

        self markArgumentIdentifierFrom:pos to:endPos.

        ^ self

    ].

    (type == #BlockVariable

    or:[type == #MethodVariable]) ifTrue:[

        self markLocalIdentifierFrom:pos to:endPos.

        ^ self

    ].

    (type == #GlobalVariable) ifTrue:[

        nameSym := v name asSymbolIfInterned.

        (nameSym isNil 

        or:[(Smalltalk includesKey:nameSym) not]) ifTrue:[

            self markUnknownIdentifierFrom:pos to:endPos.

            ^ self

        ].

        globalValue := Smalltalk at:nameSym ifAbsent:nil.

        globalValue isBehavior ifTrue:[

            self markGlobalClassIdentifierFrom:pos to:endPos.

        ] ifFalse:[

            self markGlobalIdentifierFrom:pos to:endPos.

        ].

        ^ self

    ].

    (type == #ClassVariable) ifTrue:[

        self markClassVariableIdentifierFrom:pos to:endPos.

        ^ self

    ].

    (type == #InstanceVariable) ifTrue:[

        self markInstVarIdentifierFrom:pos to:endPos.

        ^ self

    ].

    self markIdentifierFrom:pos to:endPos.

    "Created: / 16.4.1998 / 18:49:34 / cg"

    "Modified: / 4.3.1999 / 12:56:13 / cg"

! !

!JavaAbstractSourceHighlighter class methodsFor:'documentation'!

version_HG

    ^ '$Changeset: <not expanded> $'

! !