public class AxisExpressionCompiler extends ToIteratorCompiler
Constructor and Description |
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AxisExpressionCompiler() |
Modifier and Type | Method and Description |
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void |
compileToIterator(CompilerService compiler,
Expression expression)
Generate bytecode to evaluate the expression as a
SequenceIterator
Precondition: none. |
static void |
iterate(CompilerService compiler,
int axis,
NodeTest test)
Generate code to iterate over the selected axis.
|
compileToBoolean, compileToItem, compileToPush
allocateStatic, compileItemFromInt, compileToLoop, compileToPrimitive, generateMethod, handleEmptyStringResult, printStackTop, unboxItem, verify, visitAnnotation, visitLineNumber
public void compileToIterator(CompilerService compiler, Expression expression) throws CannotCompileException
ExpressionCompiler
SequenceIterator
Precondition: none.
Postcondition: at execution time, the stack contains a SequenceIterator representing the result of the expressioncompileToIterator
in class ExpressionCompiler
compiler
- the compiler serviceexpression
- the expression to be compiledCannotCompileException
public static void iterate(CompilerService compiler, int axis, NodeTest test)
compiler
- the compiler serviceaxis
- the axis to be iterated overtest
- the node test to be satisfied; possibly null if all nodes are selectedCopyright (c) 2004-2018 Saxonica Limited. All rights reserved.