junc.ast
Class AdditiveExpNode

java.lang.Object
  |
  +--antlr.BaseAST
        |
        +--antlr.CommonAST
              |
              +--junc.ast.JUnCASTNode
                    |
                    +--junc.ast.ExpressionNode
                          |
                          +--junc.ast.AdditiveExpNode

All Implemented Interfaces:

antlr.collections.AST, java.io.Serializable

public class AdditiveExpNode

extends ExpressionNode

Describe class AdditiveExpNode here.

Version:

1.0

Author:

Diwaker Gupta

See Also:

Serialized Form

Field Summary

junc.ast.ExpressionNode	left Describe variable left here.
int	operator Describe variable operator here.
junc.ast.ExpressionNode	parent Describe variable parent here.
junc.ast.ExpressionNode	right Describe variable right here.

Fields inherited from class junc.ast.ExpressionNode

falseList, leftValue, statementExpression, trueList, type

Fields inherited from class antlr.BaseAST

down

Constructor Summary

AdditiveExpNode(junc.ast.ExpressionNode left, junc.ast.ExpressionNode right, int operator)
Creates a new AdditiveExpNode instance.

Method Summary

java.math.BigDecimal	evaluate(junc.symtab.SymbolTable stable) Describe evaluate method here.
boolean	operationPlus() Describe operationPlus method here.
junc.types.JUnCBaseType	stringType() Describe stringType method here.
void	translate(org.apache.bcel.generic.ClassGen classGen, org.apache.bcel.generic.MethodGen methodGen) Describe translate method here.
void	translateStringConcat(org.apache.bcel.generic.ClassGen classGen, org.apache.bcel.generic.MethodGen methodGen) Describe translateStringConcat method here.
junc.types.JUnCBaseType	typeCheck(junc.symtab.SymbolTable stable) Describe typeCheck method here.

Methods inherited from class junc.ast.ExpressionNode

addFalseList, addTrueList, appendToFalseList, appendToTrueList, backPatch, desynthesize, evaluateExp, leftValue, lookupPrimop, superExp, synthesize, thisExp, thisOrSuperExp, translateSynthesized, type, typeExp, variableExp

Methods inherited from class junc.ast.JUnCASTNode

getColumnNumber, getLineNumber, setColumnNumber, setLineNumber

Methods inherited from class antlr.CommonAST

getText, getType, initialize, initialize, initialize, setText, setType

Methods inherited from class antlr.BaseAST

addChild, decode, encode, equals, equalsList, equalsListPartial, equalsTree, equalsTreePartial, findAll, findAllPartial, getFirstChild, getNextSibling, removeChildren, setFirstChild, setNextSibling, setVerboseStringConversion, toString, toStringList, toStringTree, xmlSerialize, xmlSerializeNode, xmlSerializeRootClose, xmlSerializeRootOpen

Methods inherited from class java.lang.Object

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

Field Detail

operator

public int operator

Describe variable operator here.

left

public junc.ast.ExpressionNode left

Describe variable left here.

right

public junc.ast.ExpressionNode right

Describe variable right here.

parent

public junc.ast.ExpressionNode parent

Describe variable parent here. null if leftmost AdditiveExp, otherwise next AdditiveExp to the left is used in case of string concatenation

Constructor Detail

AdditiveExpNode

public AdditiveExpNode(junc.ast.ExpressionNode left,
                       junc.ast.ExpressionNode right,
                       int operator)

Creates a new AdditiveExpNode instance.

Parameters:

left - an ExpressionNode value

right - an ExpressionNode value

operator - an int value

Method Detail

stringType

public junc.types.JUnCBaseType stringType()

Describe stringType method here.

Returns:

a JUnCBaseType value

operationPlus

public boolean operationPlus()

Describe operationPlus method here.

Returns:

a boolean value

evaluate

public java.math.BigDecimal evaluate(junc.symtab.SymbolTable stable)
                              throws NotConstantException

Describe evaluate method here.

Overrides:

evaluate in class ExpressionNode

Parameters:

stable - a SymbolTable value

Returns:

a BigDecimal value

Throws:

NotConstantException - if an error occurs

typeCheck

public junc.types.JUnCBaseType typeCheck(junc.symtab.SymbolTable stable)
                                  throws TypeCheckError

Describe typeCheck method here.

Specified by:

typeCheck in class ExpressionNode

Parameters:

stable - a SymbolTable value

Returns:

a JUnCBaseType value

Throws:

TypeCheckError - if an error occurs

translateStringConcat

public void translateStringConcat(org.apache.bcel.generic.ClassGen classGen,
                                  org.apache.bcel.generic.MethodGen methodGen)

Describe translateStringConcat method here.

Parameters:

classGen - a ClassGen value

methodGen - a MethodGen value

translate

public void translate(org.apache.bcel.generic.ClassGen classGen,
                      org.apache.bcel.generic.MethodGen methodGen)

Describe translate method here.

Overrides:

translate in class ExpressionNode

Parameters:

classGen - a ClassGen value

methodGen - a MethodGen value