com.saxonica.bytecode
Class LocalVariableReferenceCompiler

java.lang.Object
  com.saxonica.bytecode.ExpressionCompiler
      com.saxonica.bytecode.ToIteratorCompiler
          com.saxonica.bytecode.LocalVariableReferenceCompiler

public class LocalVariableReferenceCompiler
extends ToIteratorCompiler

Generate code for a LocalVariableReference

Constructor Summary

LocalVariableReferenceCompiler()

Method Summary

void	compileToItem(CompilerService compiler, Expression expression) Generate bytecode to get the LocalVariable from the Context as a ValueRepresentation Precondition: none.
void	compileToIterator(CompilerService compiler, Expression expression) Generate bytecode to get the LocalVariable from the Context as a ValueRepresentation Precondition: none.
void	compileToPush(CompilerService compiler, Expression expression) Generate bytecode to evaluate the expression in push mode Precondition: none.

Methods inherited from class com.saxonica.bytecode.ToIteratorCompiler

compileToBoolean

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

LocalVariableReferenceCompiler

public LocalVariableReferenceCompiler()

Method Detail

compileToItem

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

Generate bytecode to get the LocalVariable from the Context as a ValueRepresentation Precondition: none. Postcondition: the stack contains an ValueRepresentation representing the LocalVariable

Overrides:

compileToItem in class ToIteratorCompiler

Parameters:

compiler - the compiler service

expression - the expression to be compiled

Throws:

CannotCompileException

compileToPush

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

Description copied from class: ExpressionCompiler

Generate bytecode to evaluate the expression in push mode Precondition: none. Postcondition: at execution time, the stack is unchanged, and the value of the expression has been written to the current receiver

Overrides:

compileToPush in class ToIteratorCompiler

Parameters:

compiler - the compiler service

expression - the expression to be compiled

Throws:

CannotCompileException

compileToIterator

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

Generate bytecode to get the LocalVariable from the Context as a ValueRepresentation Precondition: none. Postcondition: the stack contains an ValueRepresentation as a SingletonIterator representing the LocalVariable

Specified by:

compileToIterator in class ExpressionCompiler

Parameters:

compiler - the compiler service

expression - the expression to be compiled

Throws:

CannotCompileException