com.saxonica.bytecode
Class FirstItemExpressionCompiler

java.lang.Object
  extended by com.saxonica.bytecode.ExpressionCompiler
      extended by com.saxonica.bytecode.ToItemCompiler
          extended by com.saxonica.bytecode.FirstItemExpressionCompiler

public class FirstItemExpressionCompiler
extends ToItemCompiler

Generate code for the FirstItemExpression


Constructor Summary
FirstItemExpressionCompiler()
           
 
Method Summary
 void compileToItem(CompilerService compiler, Expression expression)
          Generate bytecode to evaluate the expression as a Item Precondition: none.
 
Methods inherited from class com.saxonica.bytecode.ToItemCompiler
compileToBoolean, compileToIterator, compileToPush, returnZeroLengthStringIfNull
 
Methods inherited from class com.saxonica.bytecode.ExpressionCompiler
allocateStatic, compileItemFromInt, compileItemFromString, compileToLoop, compileToPrimitive, generateMethod, getConfiguration, handleEmptyStringResult, setConfiguration, throwXPathException, throwXPathException, unboxItem, verify, visitAnnotation, visitLineNumber
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

FirstItemExpressionCompiler

public FirstItemExpressionCompiler()
Method Detail

compileToItem

public void compileToItem(CompilerService compiler,
                          Expression expression)
                   throws CannotCompileException
Generate bytecode to evaluate the expression as a Item Precondition: none. Postcondition: the stack contains a Item representing the result of the expression

Specified by:
compileToItem in class ExpressionCompiler
Parameters:
compiler - the compiler service
expression - the expression to be compiled
Throws:
CannotCompileException


Copyright (c) 2004-2011 Saxonica Limited. All rights reserved.