pnuts.compiler

Class ScopeAnalyzer

java.lang.Object

pnuts.compiler.ScopeAnalyzer

All Implemented Interfaces:

Visitor

public class ScopeAnalyzer
extends java.lang.Object
implements Visitor

Constructor Summary

Constructors

Constructor and Description
ScopeAnalyzer()

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.Object	addNode(SimpleNode node, Context context)
void	analyze(PnutsParser parser)
void	analyze(java.io.Reader reader) Analyzes a script
void	analyze(SimpleNode node)
java.lang.Object	andNode(SimpleNode node, Context context)
java.lang.Object	applicationNode(SimpleNode node, Context context)
java.lang.Object	arrayType(SimpleNode node, Context context)
java.lang.Object	assignment(SimpleNode node, Context context)
java.lang.Object	assignmentAA(SimpleNode node, Context context)
java.lang.Object	assignmentDA(SimpleNode node, Context context)
java.lang.Object	assignmentEA(SimpleNode node, Context context)
java.lang.Object	assignmentLA(SimpleNode node, Context context)
java.lang.Object	assignmentMA(SimpleNode node, Context context)
java.lang.Object	assignmentOA(SimpleNode node, Context context)
java.lang.Object	assignmentPA(SimpleNode node, Context context)
java.lang.Object	assignmentRA(SimpleNode node, Context context)
java.lang.Object	assignmentRAA(SimpleNode node, Context context)
java.lang.Object	assignmentSA(SimpleNode node, Context context)
java.lang.Object	assignmentTA(SimpleNode node, Context context)
java.lang.Object	blockNode(SimpleNode node, Context context)
java.lang.Object	breakNode(SimpleNode node, Context context)
java.lang.Object	castExpression(SimpleNode node, Context context)
java.lang.Object	catchBlock(SimpleNode node, Context context)
java.lang.Object	catchNode(SimpleNode node, Context context)
java.lang.Object	characterNode(SimpleNode node, Context context)
java.lang.Object	classDef(SimpleNode node, Context context)
java.lang.Object	classDefBody(SimpleNode node, Context context)
java.lang.Object	className(SimpleNode node, Context context)
java.lang.Object	classNode(SimpleNode node, Context context)
java.lang.Object	classScript(SimpleNode node, Context context)
java.lang.Object	continueNode(SimpleNode node, Context context)
protected void	declared(SimpleNode node, Context context, java.lang.String symbol)
java.lang.Object	divideNode(SimpleNode node, Context context)
java.lang.Object	doStatement(SimpleNode node, Context context)
java.lang.Object	equalNode(SimpleNode node, Context context)
java.lang.Object	expressionList(SimpleNode node, Context context)
java.lang.Object	falseNode(SimpleNode node, Context context)
java.lang.Object	finallyBlock(SimpleNode node, Context context)
java.lang.Object	finallyNode(SimpleNode node, Context context)
java.lang.Object	floatingNode(SimpleNode node, Context context)
java.lang.Object	foreachStatement(SimpleNode node, Context context)
java.lang.Object	forStatement(SimpleNode node, Context context)
java.lang.Object	functionStatement(SimpleNode node, Context context)
java.lang.Object	geNode(SimpleNode node, Context context)
java.lang.Object	global(SimpleNode node, Context context)
java.lang.Object	gtNode(SimpleNode node, Context context)
protected void	handleFreeVariable(SimpleNode node, Context context) This method is called for each free variable, and supposed to be redefined by subclasses.
protected void	handleLocalVariable(SimpleNode node, Context context) This method is called for each local variable, and supposed to be redefined by subclasses.
java.lang.Object	idNode(SimpleNode node, Context context)
java.lang.Object	ifStatement(SimpleNode node, Context context)
java.lang.Object	importNode(SimpleNode node, Context context)
java.lang.Object	indexNode(SimpleNode node, Context context)
java.lang.Object	instanceofExpression(SimpleNode node, Context context)
java.lang.Object	integerNode(SimpleNode node, Context context)
protected boolean	isTargetIdNode(SimpleNode node, Context context) If this metohd returns false, the node is not passed to handleFreeVariable() method even if the node represents a free variable.
java.lang.Object	leNode(SimpleNode node, Context context)
java.lang.Object	listElements(SimpleNode node, Context context)
java.lang.Object	logAndNode(SimpleNode node, Context context)
java.lang.Object	logNotNode(SimpleNode node, Context context)
java.lang.Object	logOrNode(SimpleNode node, Context context)
java.lang.Object	ltNode(SimpleNode node, Context context)
static void	main(java.lang.String[] args)
java.lang.Object	mapNode(SimpleNode node, Context context)
java.lang.Object	memberNode(SimpleNode node, Context context)
java.lang.Object	methodDef(SimpleNode node, Context context)
java.lang.Object	methodNode(SimpleNode node, Context context)
java.lang.Object	modNode(SimpleNode node, Context context)
java.lang.Object	multNode(SimpleNode node, Context context)
java.lang.Object	negativeNode(SimpleNode node, Context context)
java.lang.Object	newNode(SimpleNode node, Context context)
java.lang.Object	notEqNode(SimpleNode node, Context context)
java.lang.Object	notNode(SimpleNode node, Context context)
java.lang.Object	nullNode(SimpleNode node, Context context)
java.lang.Object	orNode(SimpleNode node, Context context)
java.lang.Object	packageNode(SimpleNode node, Context context)
java.lang.Object	postDecrNode(SimpleNode node, Context context)
java.lang.Object	postIncrNode(SimpleNode node, Context context)
java.lang.Object	preDecrNode(SimpleNode node, Context context)
java.lang.Object	preIncrNode(SimpleNode node, Context context)
java.lang.Object	primitiveNode(SimpleNode node, Context context)
java.lang.Object	rangeNode(SimpleNode node, Context context)
java.lang.Object	returnNode(SimpleNode node, Context context)
java.lang.Object	shiftArithmeticNode(SimpleNode node, Context context)
java.lang.Object	shiftLeftNode(SimpleNode node, Context context)
java.lang.Object	shiftRightNode(SimpleNode node, Context context)
java.lang.Object	start(SimpleNode node, Context context)
java.lang.Object	startSet(SimpleNode node, Context context)
java.lang.Object	staticMemberNode(SimpleNode node, Context context)
java.lang.Object	staticMethodNode(SimpleNode node, Context context)
java.lang.Object	stringNode(SimpleNode node, Context context)
java.lang.Object	subtractNode(SimpleNode node, Context context)
java.lang.Object	switchBlock(SimpleNode node, Context context)
java.lang.Object	switchStatement(SimpleNode node, Context context)
java.lang.Object	ternary(SimpleNode node, Context context)
java.lang.Object	throwNode(SimpleNode node, Context context)
java.lang.Object	trueNode(SimpleNode node, Context context)
java.lang.Object	tryStatement(SimpleNode node, Context context)
java.lang.Object	whileStatement(SimpleNode node, Context context)
java.lang.Object	xorNode(SimpleNode node, Context context)
java.lang.Object	yieldNode(SimpleNode node, Context context)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ScopeAnalyzer

public ScopeAnalyzer()

Method Detail

start

public java.lang.Object start(SimpleNode node,
                     Context context)

Specified by:

start in interface Visitor

startSet

public java.lang.Object startSet(SimpleNode node,
                        Context context)

Specified by:

startSet in interface Visitor

expressionList

public java.lang.Object expressionList(SimpleNode node,
                              Context context)

Specified by:

expressionList in interface Visitor

isTargetIdNode

protected boolean isTargetIdNode(SimpleNode node,
                     Context context)

If this metohd returns false, the node is not passed to handleFreeVariable() method even if the node represents a free variable.

handleFreeVariable

protected void handleFreeVariable(SimpleNode node,
                      Context context)

This method is called for each free variable, and supposed to be redefined by subclasses.

Parameters:

node - a SimpleNode that represents a free variable

context - the context

handleLocalVariable

protected void handleLocalVariable(SimpleNode node,
                       Context context)

This method is called for each local variable, and supposed to be redefined by subclasses.

Parameters:

node - a SimpleNode that represents a local variable

context - the context

declared

protected void declared(SimpleNode node,
            Context context,
            java.lang.String symbol)

idNode

public java.lang.Object idNode(SimpleNode node,
                      Context context)

Specified by:

idNode in interface Visitor

global

public java.lang.Object global(SimpleNode node,
                      Context context)

Specified by:

global in interface Visitor

className

public java.lang.Object className(SimpleNode node,
                         Context context)

Specified by:

className in interface Visitor

arrayType

public java.lang.Object arrayType(SimpleNode node,
                         Context context)

Specified by:

arrayType in interface Visitor

castExpression

public java.lang.Object castExpression(SimpleNode node,
                              Context context)

Specified by:

castExpression in interface Visitor

listElements

public java.lang.Object listElements(SimpleNode node,
                            Context context)

Specified by:

listElements in interface Visitor

mapNode

public java.lang.Object mapNode(SimpleNode node,
                       Context context)

Specified by:

mapNode in interface Visitor

classNode

public java.lang.Object classNode(SimpleNode node,
                         Context context)

Specified by:

classNode in interface Visitor

newNode

public java.lang.Object newNode(SimpleNode node,
                       Context context)

Specified by:

newNode in interface Visitor

classDef

public java.lang.Object classDef(SimpleNode node,
                        Context context)

Specified by:

classDef in interface Visitor

classDefBody

public java.lang.Object classDefBody(SimpleNode node,
                            Context context)

Specified by:

classDefBody in interface Visitor

methodDef

public java.lang.Object methodDef(SimpleNode node,
                         Context context)

Specified by:

methodDef in interface Visitor

classScript

public java.lang.Object classScript(SimpleNode node,
                           Context context)

Specified by:

classScript in interface Visitor

primitiveNode

public java.lang.Object primitiveNode(SimpleNode node,
                             Context context)

packageNode

public java.lang.Object packageNode(SimpleNode node,
                           Context context)

Specified by:

packageNode in interface Visitor

importNode

public java.lang.Object importNode(SimpleNode node,
                          Context context)

Specified by:

importNode in interface Visitor

indexNode

public java.lang.Object indexNode(SimpleNode node,
                         Context context)

Specified by:

indexNode in interface Visitor

rangeNode

public java.lang.Object rangeNode(SimpleNode node,
                         Context context)

Specified by:

rangeNode in interface Visitor

methodNode

public java.lang.Object methodNode(SimpleNode node,
                          Context context)

Specified by:

methodNode in interface Visitor

staticMethodNode

public java.lang.Object staticMethodNode(SimpleNode node,
                                Context context)

Specified by:

staticMethodNode in interface Visitor

memberNode

public java.lang.Object memberNode(SimpleNode node,
                          Context context)

Specified by:

memberNode in interface Visitor

staticMemberNode

public java.lang.Object staticMemberNode(SimpleNode node,
                                Context context)

Specified by:

staticMemberNode in interface Visitor

applicationNode

public java.lang.Object applicationNode(SimpleNode node,
                               Context context)

Specified by:

applicationNode in interface Visitor

integerNode

public java.lang.Object integerNode(SimpleNode node,
                           Context context)

Specified by:

integerNode in interface Visitor

floatingNode

public java.lang.Object floatingNode(SimpleNode node,
                            Context context)

Specified by:

floatingNode in interface Visitor

characterNode

public java.lang.Object characterNode(SimpleNode node,
                             Context context)

Specified by:

characterNode in interface Visitor

stringNode

public java.lang.Object stringNode(SimpleNode node,
                          Context context)

Specified by:

stringNode in interface Visitor

trueNode

public java.lang.Object trueNode(SimpleNode node,
                        Context context)

Specified by:

trueNode in interface Visitor

falseNode

public java.lang.Object falseNode(SimpleNode node,
                         Context context)

Specified by:

falseNode in interface Visitor

nullNode

public java.lang.Object nullNode(SimpleNode node,
                        Context context)

Specified by:

nullNode in interface Visitor

assignment

public java.lang.Object assignment(SimpleNode node,
                          Context context)

Specified by:

assignment in interface Visitor

assignmentTA

public java.lang.Object assignmentTA(SimpleNode node,
                            Context context)

Specified by:

assignmentTA in interface Visitor

assignmentMA

public java.lang.Object assignmentMA(SimpleNode node,
                            Context context)

Specified by:

assignmentMA in interface Visitor

assignmentDA

public java.lang.Object assignmentDA(SimpleNode node,
                            Context context)

Specified by:

assignmentDA in interface Visitor

assignmentPA

public java.lang.Object assignmentPA(SimpleNode node,
                            Context context)

Specified by:

assignmentPA in interface Visitor

assignmentSA

public java.lang.Object assignmentSA(SimpleNode node,
                            Context context)

Specified by:

assignmentSA in interface Visitor

assignmentLA

public java.lang.Object assignmentLA(SimpleNode node,
                            Context context)

Specified by:

assignmentLA in interface Visitor

assignmentRA

public java.lang.Object assignmentRA(SimpleNode node,
                            Context context)

Specified by:

assignmentRA in interface Visitor

assignmentRAA

public java.lang.Object assignmentRAA(SimpleNode node,
                             Context context)

Specified by:

assignmentRAA in interface Visitor

assignmentAA

public java.lang.Object assignmentAA(SimpleNode node,
                            Context context)

Specified by:

assignmentAA in interface Visitor

assignmentEA

public java.lang.Object assignmentEA(SimpleNode node,
                            Context context)

Specified by:

assignmentEA in interface Visitor

assignmentOA

public java.lang.Object assignmentOA(SimpleNode node,
                            Context context)

Specified by:

assignmentOA in interface Visitor

orNode

public java.lang.Object orNode(SimpleNode node,
                      Context context)

Specified by:

orNode in interface Visitor

andNode

public java.lang.Object andNode(SimpleNode node,
                       Context context)

Specified by:

andNode in interface Visitor

xorNode

public java.lang.Object xorNode(SimpleNode node,
                       Context context)

Specified by:

xorNode in interface Visitor

logAndNode

public java.lang.Object logAndNode(SimpleNode node,
                          Context context)

Specified by:

logAndNode in interface Visitor

logOrNode

public java.lang.Object logOrNode(SimpleNode node,
                         Context context)

Specified by:

logOrNode in interface Visitor

logNotNode

public java.lang.Object logNotNode(SimpleNode node,
                          Context context)

Specified by:

logNotNode in interface Visitor

equalNode

public java.lang.Object equalNode(SimpleNode node,
                         Context context)

Specified by:

equalNode in interface Visitor

notEqNode

public java.lang.Object notEqNode(SimpleNode node,
                         Context context)

Specified by:

notEqNode in interface Visitor

instanceofExpression

public java.lang.Object instanceofExpression(SimpleNode node,
                                    Context context)

Specified by:

instanceofExpression in interface Visitor

ltNode

public java.lang.Object ltNode(SimpleNode node,
                      Context context)

Specified by:

ltNode in interface Visitor

gtNode

public java.lang.Object gtNode(SimpleNode node,
                      Context context)

Specified by:

gtNode in interface Visitor

leNode

public java.lang.Object leNode(SimpleNode node,
                      Context context)

Specified by:

leNode in interface Visitor

geNode

public java.lang.Object geNode(SimpleNode node,
                      Context context)

Specified by:

geNode in interface Visitor

shiftLeftNode

public java.lang.Object shiftLeftNode(SimpleNode node,
                             Context context)

Specified by:

shiftLeftNode in interface Visitor

shiftRightNode

public java.lang.Object shiftRightNode(SimpleNode node,
                              Context context)

Specified by:

shiftRightNode in interface Visitor

shiftArithmeticNode

public java.lang.Object shiftArithmeticNode(SimpleNode node,
                                   Context context)

Specified by:

shiftArithmeticNode in interface Visitor

addNode

public java.lang.Object addNode(SimpleNode node,
                       Context context)

Specified by:

addNode in interface Visitor

subtractNode

public java.lang.Object subtractNode(SimpleNode node,
                            Context context)

Specified by:

subtractNode in interface Visitor

multNode

public java.lang.Object multNode(SimpleNode node,
                        Context context)

Specified by:

multNode in interface Visitor

divideNode

public java.lang.Object divideNode(SimpleNode node,
                          Context context)

Specified by:

divideNode in interface Visitor

modNode

public java.lang.Object modNode(SimpleNode node,
                       Context context)

Specified by:

modNode in interface Visitor

negativeNode

public java.lang.Object negativeNode(SimpleNode node,
                            Context context)

Specified by:

negativeNode in interface Visitor

preIncrNode

public java.lang.Object preIncrNode(SimpleNode node,
                           Context context)

Specified by:

preIncrNode in interface Visitor

preDecrNode

public java.lang.Object preDecrNode(SimpleNode node,
                           Context context)

Specified by:

preDecrNode in interface Visitor

notNode

public java.lang.Object notNode(SimpleNode node,
                       Context context)

Specified by:

notNode in interface Visitor

postIncrNode

public java.lang.Object postIncrNode(SimpleNode node,
                            Context context)

Specified by:

postIncrNode in interface Visitor

postDecrNode

public java.lang.Object postDecrNode(SimpleNode node,
                            Context context)

Specified by:

postDecrNode in interface Visitor

breakNode

public java.lang.Object breakNode(SimpleNode node,
                         Context context)

Specified by:

breakNode in interface Visitor

continueNode

public java.lang.Object continueNode(SimpleNode node,
                            Context context)

Specified by:

continueNode in interface Visitor

returnNode

public java.lang.Object returnNode(SimpleNode node,
                          Context context)

Specified by:

returnNode in interface Visitor

yieldNode

public java.lang.Object yieldNode(SimpleNode node,
                         Context context)

Specified by:

yieldNode in interface Visitor

tryStatement

public java.lang.Object tryStatement(SimpleNode node,
                            Context context)

Specified by:

tryStatement in interface Visitor

catchBlock

public java.lang.Object catchBlock(SimpleNode node,
                          Context context)

Specified by:

catchBlock in interface Visitor

finallyBlock

public java.lang.Object finallyBlock(SimpleNode node,
                            Context context)

blockNode

public java.lang.Object blockNode(SimpleNode node,
                         Context context)

Specified by:

blockNode in interface Visitor

ifStatement

public java.lang.Object ifStatement(SimpleNode node,
                           Context context)

Specified by:

ifStatement in interface Visitor

doStatement

public java.lang.Object doStatement(SimpleNode node,
                           Context context)

Specified by:

doStatement in interface Visitor

whileStatement

public java.lang.Object whileStatement(SimpleNode node,
                              Context context)

Specified by:

whileStatement in interface Visitor

forStatement

public java.lang.Object forStatement(SimpleNode node,
                            Context context)

Specified by:

forStatement in interface Visitor

foreachStatement

public java.lang.Object foreachStatement(SimpleNode node,
                                Context context)

Specified by:

foreachStatement in interface Visitor

switchStatement

public java.lang.Object switchStatement(SimpleNode node,
                               Context context)

Specified by:

switchStatement in interface Visitor

switchBlock

public java.lang.Object switchBlock(SimpleNode node,
                           Context context)

Specified by:

switchBlock in interface Visitor

functionStatement

public java.lang.Object functionStatement(SimpleNode node,
                                 Context context)

Specified by:

functionStatement in interface Visitor

ternary

public java.lang.Object ternary(SimpleNode node,
                       Context context)

Specified by:

ternary in interface Visitor

catchNode

public java.lang.Object catchNode(SimpleNode node,
                         Context context)

Specified by:

catchNode in interface Visitor

throwNode

public java.lang.Object throwNode(SimpleNode node,
                         Context context)

Specified by:

throwNode in interface Visitor

finallyNode

public java.lang.Object finallyNode(SimpleNode node,
                           Context context)

Specified by:

finallyNode in interface Visitor

analyze

public void analyze(java.io.Reader reader)
             throws ParseException

Analyzes a script

Throws:

ParseException

analyze

public void analyze(PnutsParser parser)
             throws ParseException

Throws:

ParseException

analyze

public void analyze(SimpleNode node)

main

public static void main(java.lang.String[] args)
                 throws java.lang.Exception

Throws:

java.lang.Exception