edu.mit.ai.psg.jeva
Class JNSLocalVariableDeclaration

java.lang.Object
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  +--edu.mit.ai.psg.jeva.SimpleNode
        |
        +--edu.mit.ai.psg.jeva.JevaNode
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              +--edu.mit.ai.psg.jeva.JNSLocalVariableDeclaration

public class JNSLocalVariableDeclaration

extends JevaNode

implements IStatementNode, JevaParserConstants

Jeva parse Node for local variable declarations, e.g., "int i = 0;". Can contain multiple declarations, e.g., "int i=0, j=1, k=2;".

Author:

CarlManning, caroma@ai.mit.edu
Copyright (c) 1997, 1998, 1999 Massachusetts Institute of Technology

Fields inherited from class edu.mit.ai.psg.jeva.SimpleNode

children, id, parent

Method Summary

IEnv	eval(IEnv env)
JNSVariableDeclarator	getDeclaratorNode(int i)
int	getNumDeclarators()
JNType	getTypeNode()
Object	jjtAccept(IJevaVisitor visitor, Object data)
IEnv	verifyTypes(IEnv env) Extend environment so types of later expressions can be calculated.

Methods inherited from class edu.mit.ai.psg.jeva.JevaNode

checkInsertionPoint, find2ndTokenBeforeEndBody, findChildIndex, findPrecedingToken, findTokenBeforeChild, findTokenBeforeChild, findTokenBeforeEnd, getBeginToken, getEndToken, insertChildTokens, insertNewChildAfter, insertNewChildAt, insertNewChildBefore, jnGetChild, jnGetParent, print, print, printToken, printToString, printToString, removeChild, removeChildTokens, replaceChild, replaceChild, setBeginToken, setEndToken, updateEndTokens, updateEndTokensPriorChild, updateEndTokensPriorNode, updateEndTokensPriorNode

Methods inherited from class edu.mit.ai.psg.jeva.SimpleNode

dump, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent, toString, toString

Methods inherited from class java.lang.Object

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

Method Detail

jjtAccept

public Object jjtAccept(IJevaVisitor visitor,
                        Object data)

Overrides:

jjtAccept in class JevaNode

getTypeNode

public JNType getTypeNode()

getNumDeclarators

public int getNumDeclarators()

getDeclaratorNode

public JNSVariableDeclarator getDeclaratorNode(int i)

verifyTypes

public IEnv verifyTypes(IEnv env)
                 throws VerifyingException

Extend environment so types of later expressions can be calculated. Don't evaluate var initializers, which may have side effects.

Specified by:

verifyTypes in interface IStatementNode

eval

public IEnv eval(IEnv env)
          throws ThrowException

Specified by:

eval in interface IStatementNode