net.sf.saxon.instruct
public class Doctype extends Instruction
Constructor Summary | |
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Doctype(Expression content) |
Method Summary | |
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Expression | copy()
Copy an expression. |
boolean | createsNewNodes()
Determine whether this instruction creates new nodes.
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void | explain(ExpressionPresenter out)
Diagnostic print of expression structure. |
int | getInstructionNameCode()
Get the name of this instruction for diagnostic and tracing purposes |
Iterator<Expression> | iterateSubExpressions()
Get the immediate sub-expressions of this expression. |
Expression | optimize(ExpressionVisitor visitor, ItemType contextItemType) |
TailCall | processLeavingTail(XPathContext context) |
protected void | promoteInst(PromotionOffer offer)
Handle promotion offers, that is, non-local tree rewrites.
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boolean | replaceSubExpression(Expression original, Expression replacement)
Replace one subexpression by a replacement subexpression
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Expression | simplify(ExpressionVisitor visitor)
Simplify an expression. |
Expression | typeCheck(ExpressionVisitor visitor, ItemType contextItemType) |
Returns: the copy of the original expression
Returns: an iterator containing the sub-expressions of this expression
Parameters: offer The type of rewrite being offered
Throws: XPathException
Parameters: original the original subexpression replacement the replacement subexpression
Returns: true if the original subexpression is found
Parameters: visitor an expression visitor
Returns: the simplified expression
Throws: net.sf.saxon.trans.XPathException if an error is discovered during expression rewriting