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com.sun.org.apache.xalan.internal.xsltc.compiler

pack-priv final Class BinOpExpr

extends Expression
Class Inheritance
Imports
com.sun.org.apache.bcel.internal.generic.InstructionList, com.sun.org.apache.xalan.internal.xsltc.compiler.util.ClassGenerator, .ErrorMsg, .MethodGenerator, .MethodType, .Type, .TypeCheckError
Authors
Jacek Ambroziak, Santiago Pericas-Geertsen

Field Summary

Modifier and TypeField and Description
private Expression
_left

private int
_op

private Expression
_right

public static final int
DIV

public static final int
MINUS

public static final int
MOD

private static final String[]
Ops

public static final int
PLUS

public static final int
TIMES

Inherited from com.sun.org.apache.xalan.internal.xsltc.compiler.Expression:
_falseList_trueList_type

Constructor Summary

AccessConstructor and Description
public
BinOpExpr(int op, Expression left, Expression right)

Method Summary

Modifier and TypeMethod and Description
public boolean
hasLastCall()

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.Expression.hasLastCall.

Returns true if this expressions contains a call to last()

public boolean
hasPositionCall()

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.Expression.hasPositionCall.

Returns true if this expressions contains a call to position().

public void
setParser(Parser parser)

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.SyntaxTreeNode.setParser.

Set this node's parser.

public String
toString()

Implements abstract com.sun.org.apache.xalan.internal.xsltc.compiler.Expression.toString.

Returns a string representation of the object.

public void
translate(ClassGenerator classGen, MethodGenerator methodGen)

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.Expression.translate.

Translate this node into JVM bytecodes.

public Type
typeCheck(SymbolTable stable)

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.Expression.typeCheck.

Type check all the children of this node.

Inherited from com.sun.org.apache.xalan.internal.xsltc.compiler.Expression:
backPatchFalseListbackPatchTrueListcompiledesynthesizeevaluateAtCompileTimegetFalseListgetTrueListgetTypelookupPrimopstartIteratorsynthesizetranslateDesynthesized

Field Detail

_leftback to summary
private Expression _left
_opback to summary
private int _op
_rightback to summary
private Expression _right
DIVback to summary
public static final int DIV
MINUSback to summary
public static final int MINUS
MODback to summary
public static final int MOD
Opsback to summary
private static final String[] Ops
PLUSback to summary
public static final int PLUS
TIMESback to summary
public static final int TIMES

Constructor Detail

BinOpExprback to summary
public BinOpExpr(int op, Expression left, Expression right)

Method Detail

hasLastCallback to summary
public boolean hasLastCall()

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.Expression.hasLastCall.

Returns true if this expressions contains a call to last()

hasPositionCallback to summary
public boolean hasPositionCall()

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.Expression.hasPositionCall.

Returns true if this expressions contains a call to position(). This is needed for context changes in node steps containing multiple predicates.

setParserback to summary
public void setParser(Parser parser)

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.SyntaxTreeNode.setParser.

Doc from com.sun.org.apache.xalan.internal.xsltc.compiler.SyntaxTreeNode.setParser.

Set this node's parser. The parser (the XSLT parser) gives this syntax tree node access to the symbol table and XPath parser.

toStringback to summary
public String toString()

Implements abstract com.sun.org.apache.xalan.internal.xsltc.compiler.Expression.toString.

Doc from java.lang.Object.toString.

Returns a string representation of the object. Satisfying this method's contract implies a non-null result must be returned.

translateback to summary
public void translate(ClassGenerator classGen, MethodGenerator methodGen)

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.Expression.translate.

Doc from com.sun.org.apache.xalan.internal.xsltc.compiler.Expression.translate.

Translate this node into JVM bytecodes.

typeCheckback to summary
public Type typeCheck(SymbolTable stable) throws TypeCheckError

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.Expression.typeCheck.

Doc from com.sun.org.apache.xalan.internal.xsltc.compiler.Expression.typeCheck.

Type check all the children of this node.