"{ Package: 'jv:tea/compiler' }"

"{ NameSpace: Smalltalk }"

TCompilerPass subclass:#TLLVMCodeGenerator

	instanceVariableNames:'function asm'

	classVariableNames:'SelectorSpecialCharMappingTable'

	poolDictionaries:''

	category:'Languages-Tea-Compiler-Internals'

!

!TLLVMCodeGenerator class methodsFor:'initialization'!

initialize

    "Invoked at system start or when the class is dynamically loaded."

    "/ please change as required (and remove this comment)

    SelectorSpecialCharMappingTable := Dictionary withKeysAndValues:

                #($+ 'pl'

                  $- 'mi'

                  $* 'mu'

                  $/ 'di'

                  $, 'co'

                  $@ 'at'

                  $< 'le'

                  $> 'gr'

                  $= 'eq'

                  $~ 'ne'

                  $| 'pi'

                  $\ 'mo'

                  $& 'am').

    "Modified: / 11-07-2015 / 09:24:06 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!TLLVMCodeGenerator class methodsFor:'utilities'!

llvmFunctionNameForClass: class selector: selector      

    "For given class name and selector, returns the name 

     used by LLVM"

    ^ String streamContents:[ :s|

        s nextPutAll: '__M_L_'.

        s nextPutAll: (class theNonMetaclass name copyReplaceAll: $: with: $_).

        class isMeta ifTrue:[ 

            s nextPutAll: '_class'

        ].

        s nextPut: $_.

        selector isBinarySelector ifTrue:[ 

            selector do:[:c |     

                s nextPutAll: (SelectorSpecialCharMappingTable at: c)

            ].

        ] ifFalse:[ 

            selector do:[:c |  

                c isAlphaNumeric ifTrue:[ 

                    s nextPut: c 

                ] ifFalse:[

                    s nextPut: $_.

                    c == $: ifFalse:[ 

                        c codePoint printOn: s.

                    ]

                ].

            ]

        ].

    ].

    "

    TLLVMIREmitPass llvmFunctionNameForClass: TLLVMIREmitPass class selector: #llvmFunctionNameForClass:selector: 

    TLLVMIREmitPass llvmFunctionNameForClass: SmallInteger selector: #+

    TLLVMIREmitPass llvmFunctionNameForClass: Object selector: #~=

    "

    "Created: / 30-08-2015 / 09:23:36 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 31-08-2015 / 07:04:53 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!TLLVMCodeGenerator methodsFor:'visiting'!

visitArgument: anRBVariableNode

    | binding |

    binding := anRBVariableNode binding.

    binding isArgumentBinding ifTrue:[ 

        (function parameterAt: binding index) name: anRBVariableNode name.

    ] ifFalse:[ 

        self notYetImplemented.

    ].

    "Created: / 02-09-2015 / 08:43:00 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!TLLVMCodeGenerator methodsFor:'visitor-double dispatching'!

acceptArrayNode: anArrayNode

    self notYetImplemented

    "Created: / 31-08-2015 / 10:14:19 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

acceptAssignmentNode: anAssignmentNode 

    self notYetImplemented

    "Created: / 31-08-2015 / 10:14:13 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

acceptBlockNode: aBlockNode 

    self notYetImplemented

    "Created: / 31-08-2015 / 10:14:08 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

acceptCascadeNode: aCascadeNode 

    self notYetImplemented

    "Created: / 31-08-2015 / 10:14:02 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

acceptInlineAssemblyNode: aTInlineAssemblyNode

    | emitMethodNode emitMethod|

    emitMethodNode := RBMethodNode new.

    emitMethodNode arguments: (aTInlineAssemblyNode arguments collect:[ :e|e copy]) , { RBVariableNode named: 'zelf' } , (aTInlineAssemblyNode topNode arguments collect:[ :e|e copy]).

    emitMethodNode body: aTInlineAssemblyNode body copy.

    emitMethodNode variableNodesDo:[ :variableNode |

        variableNode name = 'self' ifTrue:[ 

            variableNode name: 'zelf'.

        ].

    ].

    emitMethodNode selector:(String streamContents: [ :s | emitMethodNode arguments size timesRepeat:[s nextPutAll:'_:'] ]).

    emitMethod := Compiler compile: emitMethodNode formattedCode forClass: UndefinedObject install: false.

    emitMethod

        valueWithReceiver: nil

        arguments: { asm } , ((1 to: function numArgs) collect: [ :i | function parameterAt: i ])

    "Created: / 02-09-2015 / 06:53:43 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 02-09-2015 / 10:30:22 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

acceptLiteralNode: aLiteralNode

    ^ aLiteralNode binding asLLVMValueInModule: context module.

    "Created: / 31-08-2015 / 10:13:55 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 31-08-2015 / 12:20:52 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

acceptMessageNode: aMessageNode

    receiver := self visitNode: aMessageNode receiver.

    arguments := aMessageNode arguments collect: [:argument | self visitNode: argument ].

    ^ asm call: methodFunction _: { receiver } , arguments

    "Created: / 31-08-2015 / 10:13:51 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

acceptMethodNode: aMethodNode 

    asm := function builder.

    super acceptMethodNode: aMethodNode

    "Created: / 31-08-2015 / 09:42:58 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

acceptOptimizedNode: anOptimizedNode 

    self notYetImplemented

    "Created: / 31-08-2015 / 10:13:46 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

acceptPragmaNode: aPragmaNode

    self notYetImplemented

    "Created: / 31-08-2015 / 10:13:41 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

acceptReturnNode: aReturnNode 

    | value |

    value := self visitNode: aReturnNode value.

    asm ret: value.

    "Created: / 31-08-2015 / 10:13:36 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 31-08-2015 / 12:17:53 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

acceptSTXPrimitiveCCodeNode: aPrimitiveCCodeNode

    self notYetImplemented

    "Created: / 31-08-2015 / 10:13:31 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

acceptSTXPrimitiveValueCCodeNode: aPrimitiveValueCCodeNode

    self notYetImplemented

    "Created: / 31-08-2015 / 10:13:27 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

acceptVariableNode: aVariableNode

    self notYetImplemented

    "Created: / 31-08-2015 / 10:13:08 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

TLLVMCodeGenerator initialize!