"{ Package: 'stx:goodies/petitparser/parsers/java' }"

"{ NameSpace: Smalltalk }"

PPJavaSyntax subclass:#PPJavaParser

	instanceVariableNames:''

	classVariableNames:''

	poolDictionaries:''

	category:'PetitJava-Core'

!

PPJavaParser comment:'A parser which creates an AST upor parsing the code'

!

!PPJavaParser methodsFor:'accessing'!

annotation 

	^ super annotation ==> [:nodes | PJAnnotationNode typeName: nodes second]

!

classModifierNotAnnotation 

	^super classModifierNotAnnotation ==> [:tokenKeyword | PJModifierNode keyword: tokenKeyword inputValue]

!

formalParameters 

	^ super formalParameters ==> [:nodes | nodes second]

!

methodModifierNotAnnotation 

	^super methodModifierNotAnnotation ==> [:tokenKeyword | PJModifierNode keyword: tokenKeyword inputValue]

!

qualifiedName

	^ super qualifiedName

		==> [ :nodes | 

			nodes second notEmpty

				ifTrue: [ self nameFromQualified: (Array with: nodes first withAll: (nodes second collect: [ :e | e second value ])) ]

				ifFalse: [ PJSimpleNameNode identifier: nodes first value ] ]

! !

!PPJavaParser methodsFor:'as yet unclassified'!

endOfLineComment 

^ super endOfLineComment ==> [ :nodes | PJEndOfLineCommentsNode comment:  nodes second .].

!

floatingPointLiteral

	 ^super floatingPointLiteral trim ==> [ :token | PJFloatLiteralNode newFrom: token inputValue ]

!

separator	

 ^super separator trim ==> [:token | PJSeparatorNode separatorValue: (token inputValue)]

!

traditionalComment

^ super traditionalComment ==> [ :nodes | PJTraditionalCommentsNode comment:  (nodes second ).].

! !

!PPJavaParser methodsFor:'grammar-classes'!

normalClassDeclaration 

	^ super normalClassDeclaration 

! !

!PPJavaParser methodsFor:'grammar-classes-method'!

block

	^ super block ==> [ :nodes | 

			| blockNode |

			blockNode := PJBlockNode new.

			blockNode statements: nodes second.

			blockNode]

!

constructorDeclaration 

!

expressionStatement 

	^ super expressionStatement ==> [ :nodes | 

			| expressionStatementNode |

			expressionStatementNode := PJExpressionStatementNode new.

			expressionStatementNode expression: nodes first.

			expressionStatementNode]

!

localVariableDeclaration

	^ super localVariableDeclaration ==> [ :nodes | 

			| declarationNode |

			declarationNode := PJLocalVariableDeclarationStatementNode new.

			declarationNode

				type: nodes second;

				declarators: (nodes third second collect: [:each | each second]) asOrderedCollection.

			declarationNode declarators addFirst: nodes third first.

			declarationNode]

!

localVariableDeclarationStatement 

	^ super localVariableDeclarationStatement ==> [ :nodes | nodes first]

!

methodNotConstructorDeclaration 

!

normalParameterDecl  

	^ super normalParameterDecl ==> [:nodes |

		| declarator |

		declarator := PJParameterDeclaratorNode new.

		declarator

			modifiers: nodes first;

			type: nodes second;

			identifier: nodes third;

			arrayLevel: nodes fourth size.

		declarator]

!

normalParametersDecls

	^ super normalParametersDecls ==> [ :nodes | 

			| declarationNode |

			((nodes second collect: [ :element | element second ]) asOrderedCollection)

				addFirst: nodes first; yourself]

!

nullLiteral

	 ^super nullLiteral trim ==> [:token | PJNullLiteralNode literalValue: (token inputValue)]

!

returnStatement

	^ super returnStatement ==> [ :nodes | 

			| returnNode |

			returnNode := PJReturnStatementNode new.

			returnNode expression: nodes second.

			returnNode]

!

variableDeclarator 

	^ super variableDeclarator ==> [:nodes |

		| declarator |

		declarator := PJVariableDeclaratorNode new.

		declarator

			variable: nodes first;

			arrayLevel: nodes second size.

		nodes third ifNotNilDo: [:node | declarator initializer: node second].	

		declarator]

! !

!PPJavaParser methodsFor:'grammar-literals-boolean'!

booleanLiteral 

 ^ super booleanLiteral trim ==> [:token | 

		| value |

		(token inputValue = 'false') 

			ifTrue:  [ value := false]

			ifFalse: [(token inputValue = 'true') 

				ifTrue: [value := true]

				ifFalse: [self error: 'A Boolean Literal must be either false or true']].

		PJBooleanLiteralNode booleanValue: value.]

! !

!PPJavaParser methodsFor:'grammar-literals-string'!

additiveExpression 

	^ super additiveExpression ==> self infixOpProcessor  .

!

andExpression 

	^ super andExpression ==> self infixOpProcessor

!

characterLiteral 

 ^super characterLiteral trim ==> [:token | PJCharacterLiteralNode literalValue: (token inputValue allButFirst allButLast)]

!

classOrInterfaceType 

	self flag: 'NA: temporary hack, should interpret nodes instead of returning first'.

	^ super classOrInterfaceType ==> [ :nodes | nodes first ]

!

conditionalAndExpression 

	^ super conditionalAndExpression ==> self infixOpProcessor

!

conditionalExpression 

 ^super conditionalExpression ==> [:node | node second ifNil: [node first] ifNotNil: [node]]

!

conditionalOrExpression 

	^ super conditionalOrExpression ==> self infixOpProcessor

!

equalityExpression 

	^ super equalityExpression ==> self infixOpProcessor

!

exclusiveOrExpression 

	^ super exclusiveOrExpression ==> self infixOpProcessor

!

expression 

 ^super expression ==> [:node | node second ifNil: [node first] ifNotNil: [

		|operation| 

		operation := PJInfixOperationNode new.

		operation

			left: node first;

			operator: node second first inputValue asSymbol;

			right: node second second.

		operation]]

!

identifier 

 ^super identifier ==> [:token | PJIdentifierNode newWithName: token inputValue]

!

identifierWithAccessors 

	^ super identifierWithAccessors ==> [:node | node second isEmpty & node third isNil ifTrue: [node first] ifFalse: [node]]

!

ifStatement  

 ^super ifStatement ==> [:node |

	| statementNode |

	statementNode := PJIfStatementNode new.

	statementNode

		condition: node second;

		thenPart: node third.

	node fourth ifNotNil: [

		statementNode elsePart: node fourth second].

	statementNode]

!

inclusiveOrExpression 

 ^super inclusiveOrExpression ==> self infixOpProcessor

!

infixOpProcessor 

	^ [:node |

		(node second asOrderedCollection addFirst: node first; yourself) fold: [:left :current |

			|operation| 

			operation := PJInfixOperationNode new.

			operation

			left: left;

			operator: current first inputValue asSymbol;

			right: current second.

			operation]]

!

instanceofExpression 

 ^super instanceofExpression ==> [:node | node second ifNil: [node first] ifNotNil: [node]]

!

integerLiteral 

 ^super integerLiteral trim ==> [ :token | PJIntegerLiteralNode newFrom: token inputValue ]

!

multiplicativeExpression 

	^ super multiplicativeExpression ==> self infixOpProcessor

!

parExpression 

 ^super parExpression ==> [ :nodes | nodes second ]

!

primaryWithselectors 

	^ super primaryWithselectors ==> [:node |

		"JK: I have no idea, what this fold is supposed to do, 

		 but #object: causes DNU, so I commented it out

		"

		node first ]

		"(node second asOrderedCollection addFirst: node first; yourself) fold: [:inner :outer | outer object: inner]]

		"

!

primitiveType 

 ^super primitiveType ==> [:token | PJPrimitiveTypeNode type: token inputValue]

!

relationalExpression 

 ^super relationalExpression ==> self infixOpProcessor

!

shiftExpression 

 ^super shiftExpression ==> [:node | node second ifEmpty: [node first] ifNotEmpty: [node]]

!

stringLiteral 

 ^super stringLiteral trim ==> [:token | PJStringLiteralNode literalValue: (token inputValue allButFirst allButLast)]

!

type

	^ super type

		==> [ :nodes | 

			| pjtype |

			nodes second notEmpty

				ifTrue: [ pjtype := PJArrayTypeNode elementType: nodes first dimensions: nodes second size ]

				ifFalse: [ pjtype := nodes first ].

			pjtype ]

!

unaryPostfixExpression 

	^ super unaryPostfixExpression ==> [:node | node second ifNil: [node first] ifNotNil: [node]]

!

whileStatement  

 ^super whileStatement ==> [ :nodes |

	| while | 

	while := PJWhileStatementNode new.

	while expression: nodes second.

	while statement: nodes third.

	while ]

! !

!PPJavaParser methodsFor:'private'!

nameFromQualified: aCollection

	^(aCollection size = 1)

		ifTrue: [PJSimpleNameNode identifier: aCollection first]

          ifFalse: [

			PJQualifiedNameNode 

				name: (PJSimpleNameNode identifier: aCollection last)

				qualifier: (self nameFromQualified: aCollection allButLast ).]

! !