SubscriptExpressionCompiler

java.lang.Object
- com.saxonica.ee.bytecode.ExpressionCompiler
- - com.saxonica.ee.bytecode.ToItemCompiler
  - - com.saxonica.ee.bytecode.SubscriptExpressionCompiler

public class SubscriptExpressionCompiler
extends ToItemCompiler

Bytecode generator for the saxon:item-at() function

Constructor Summary

Constructors
Constructor Description

SubscriptExpressionCompiler()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	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, treatAsEmptyIfFirstArgumentIsEmpty

Methods inherited from class com.saxonica.ee.bytecode.ExpressionCompiler
allocateStatic, compileItemFromInt, compileToPrimitive, generateMethod, handleEmptyStringResult, printStackTop, verify, visitAnnotation, visitLineNumber

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - SubscriptExpressionCompiler
```
public SubscriptExpressionCompiler()
```
- 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 - if the expression cannot be compiled to bytecode