"{ 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 := anRBVariableNode binding.

    ] ifFalse:[ 

    ].

    "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 

    "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>"

!

acceptIfTrueIfFalseNode: node 

    | condition thenBody thenBlock thenResult elseBody elseBlock elseResult joinBlock result |

    condition := self visitNode: node receiver.  

    thenBody  := node arguments first body.

    thenBlock := function addBasicBlock.

    elseBody  := node arguments second body.

    elseBlock := function addBasicBlock.

    asm if: condition then: thenBlock else: elseBlock.

    "/ Code true-branch

    asm block: thenBlock.

    thenResult := self visitNode: thenBody.

    thenResult isReturnInst ifFalse:[  

        joinBlock notNil ifTrue:[ joinBlock function addBasicBlock ].

        asm br: joinBlock.

    ].

    "/ Code false-branch

    asm block: elseBlock.

    elseResult := self visitNode: elseBody.

    elseResult isReturnInst ifFalse:[  

        joinBlock notNil ifTrue:[ joinBlock function addBasicBlock ].

        asm br: joinBlock.

    ].

    joinBlock notNil ifTrue:[ 

        asm block: joinBlock.

    ].

    "Created: / 15-09-2015 / 11:59:27 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 16-09-2015 / 05:28:33 / 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 arguments methodFunction |

    receiver := self visitNode: aMessageNode receiver.

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

    methodFunction := aMessageNode binding asLLVMValueInModule: context module.  

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

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

    "Modified (format): / 15-09-2015 / 07:14:45 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

acceptMethodNode: aMethodNode 

    function := aMethodNode binding asLLVMValueInModule: context module.

    "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: / 18-09-2015 / 06:08:30 / 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

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

! !

TLLVMCodeGenerator initialize!