BlockCompiler

java.lang.Object
- com.saxonica.ee.bytecode.ExpressionCompiler
- - com.saxonica.ee.bytecode.ToIteratorCompiler
  - - com.saxonica.ee.bytecode.BlockCompiler

```
public class BlockCompiler
extends ToIteratorCompiler
```
Generate bytecode for a call to a Block expression. A block typically represents either an expression of the form (a, b, c, d), or an XSLT sequence constructor.

Constructor Summary

Constructors
Constructor Description

BlockCompiler()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`compileToIterator(CompilerService compiler, Expression expression)`	Generate bytecode to evaluate the BlockExpression as an iterator Precondition: none.
`void`	`compileToPush(CompilerService compiler, Expression expression)`	Generate bytecode to evaluate the BlockExpression in push mode Precondition: none.

Methods inherited from class com.saxonica.ee.bytecode.ToIteratorCompiler
compileToBoolean, compileToItem

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
  - BlockCompiler
```
public BlockCompiler()
```
- Method Detail
  - compileToPush
```
public void compileToPush(CompilerService compiler,
                          Expression expression)
                   throws CannotCompileException
```
    Generate bytecode to evaluate the BlockExpression in push mode Precondition: none. Postcondition: the stack is empty
    
    Overrides:
    
    compileToPush in class ToIteratorCompiler
    
    Parameters:
    
    compiler - the compiler service
    
    expression - the expression to be compiled
    
    Throws:
    
    CannotCompileException - if the expression cannot be compiled to bytecode
  - compileToIterator
```
public void compileToIterator(CompilerService compiler,
                              Expression expression)
                       throws CannotCompileException
```
    Generate bytecode to evaluate the BlockExpression as an iterator Precondition: none. Postcondition: the stack contains an iterator representing the result of the expression
    
    Specified by:
    
    compileToIterator in class ExpressionCompiler
    
    Parameters:
    
    compiler - the compiler service
    
    expression - the expression to be compiled
    
    Throws:
    
    CannotCompileException - if the expression cannot be compiled to bytecode