com.saxonica.ee.bytecode

Class RootExpressionCompiler

java.lang.Object

com.saxonica.ee.bytecode.ExpressionCompiler

com.saxonica.ee.bytecode.ToItemCompiler

com.saxonica.ee.bytecode.RootExpressionCompiler

public class RootExpressionCompiler
extends ToItemCompiler

Generate bytecode for a call to the RootExpression()

Constructor Summary

Constructors

Constructor and Description
RootExpressionCompiler()

Method Summary

Modifier and Type	Method and Description
void	compileToItem(CompilerService compiler, Expression expression) Generate bytecode to evaluate the expression as an Item Precondition: none.

Methods inherited from class com.saxonica.ee.bytecode.ToItemCompiler

compileToBoolean, compileToIterator, compileToPush, returnZeroLengthStringIfNull

Methods inherited from class com.saxonica.ee.bytecode.ExpressionCompiler

allocateStatic, compileItemFromInt, compileToLoop, compileToPrimitive, generateMethod, handleEmptyStringResult, printStackTop, unboxItem, verify, visitAnnotation, visitLineNumber

Methods inherited from class java.lang.Object

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

Constructor Detail

RootExpressionCompiler

public RootExpressionCompiler()

Method Detail

compileToItem

public void compileToItem(CompilerService compiler,
                          Expression expression)
                   throws CannotCompileException

Description copied from class: ExpressionCompiler

Generate bytecode to evaluate the expression as an Item Precondition: none. Postcondition: at execution time, the stack contains either an item (the result of the expression), or null (representing an empty sequence).

Specified by:

compileToItem in class ExpressionCompiler

Parameters:

compiler - the compiler service

expression - the expression to be compiled

Throws:

CannotCompileException