com.caucho.quercus.expr
Class AbstractUnaryExprGenerator

java.lang.Object
  com.caucho.quercus.expr.ExprGenerator
      com.caucho.quercus.expr.AbstractUnaryExprGenerator

public abstract class AbstractUnaryExprGenerator
extends ExprGenerator

Represents a PHP boolean negation

Field Summary

Fields inherited from class com.caucho.quercus.expr.ExprGenerator

COMPILE_ARG_MAX

Constructor Summary

AbstractUnaryExprGenerator()

AbstractUnaryExprGenerator(Location location)

Method Summary

ExprType	analyze(AnalyzeInfo info) Analyze the expression
protected abstract ExprGenerator	getExpr() Returns the child expression.
VarState	getVarState(VarExprPro var, VarExprPro owner) Returns the variables state.
boolean	isVarAssigned(VarExpr var) Returns true if the variable is ever assigned.

Methods inherited from class com.caucho.quercus.expr.ExprGenerator

analyzeAssign, analyzeSetModified, analyzeSetPostIncrement, analyzeSetReference, analyzeTop, analyzeUnset, combineBinaryVarState, generate, generateAppend, generateArg, generateArray, generateAssign, generateAssignBoolean, generateAssignClose, generateAssignOpen, generateAssignRef, generateBoolean, generateChar, generateCopy, generateDirty, generateDouble, generateExpr, generateGetOut, generateInt, generateIsset, generateListEachStatement, generateLong, generateModifiedRead, generateObject, generatePrint, generateRef, generateRefArg, generateReturn, generateReturnRef, generateStatement, generateString, generateStringValue, generateTop, generateType, generateUnset, generateUnsetArray, generateValue, generateValueArg, generateVar, getConstant, getLiteral, getLocation, getType, isAssignment, isBoolean, isConstant, isDefault, isDouble, isLiteral, isLong, isNumber, isString, isVar

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractUnaryExprGenerator

public AbstractUnaryExprGenerator()

AbstractUnaryExprGenerator

public AbstractUnaryExprGenerator(Location location)

Method Detail

getExpr

protected abstract ExprGenerator getExpr()

Returns the child expression.

analyze

public ExprType analyze(AnalyzeInfo info)

Analyze the expression

Specified by:

analyze in class ExprGenerator

getVarState

public VarState getVarState(VarExprPro var,
                            VarExprPro owner)

Returns the variables state.

Parameters:

var - the variables to test

owner - the owning expression

isVarAssigned

public boolean isVarAssigned(VarExpr var)

Returns true if the variable is ever assigned.

Overrides:

isVarAssigned in class ExprGenerator

Parameters:

var - the variable to test