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The XSLT and XQuery Processor
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Copyright (c) 2015 Saxonica Limited.
// This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
// If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
// This Source Code Form is "Incompatible With Secondary Licenses", as defined by the Mozilla Public License, v. 2.0.
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
package net.sf.saxon.trace;
import net.sf.saxon.expr.ContextOriginator;
/**
* This class holds constants identifying different kinds of location in a source stylesheet or query.
* These constants are used in the getConstructType() method of class InstructionInfo.
* They represent points in the evaluation of a stylesheet
* (or query or XPath expression) that are notified to the trace listener.
*
* Any constant used in {@link net.sf.saxon.om.StandardNames} can be used as a Location. Such
* names are generally used to identify XSLT instructions. They are also used for equivalent constructs
* in XQuery, for example XSL_ELEMENT is used for a computed element constructor in XQuery. The constants
* in StandardNames are all in the range 0-1023, so constants defined in this class are outside this
* range.
*
* The constants in this file are annotated with Q to indicate they can appear in XQuery trace output,
* T to indicate they can appear in XSLT trace output.
* @since 9.7: previously named net.sf.saxon.trace.Location. No longer used to identify constructs causing
* changes on the context stack; the class {@link ContextOriginator} is now used for this purpose.
*/
public class LocationKind {
/**
* An XSLT instruction. The name of the instruction (which may be an extension instruction) can
* be obtained using the fingerprint property. Usage:T
*/
public static final int EXTENSION_INSTRUCTION = 2005;
/**
* An XSLT literal result element, or an XQuery direct element constructor. Usage:QT
*/
public static final int LITERAL_RESULT_ELEMENT = 2006;
/**
* An attribute of an XSLT literal result element or of an XQuery direct element constructor.
* Usage: QT
*/
public static final int LITERAL_RESULT_ATTRIBUTE = 2007;
/**
* An XSLT user-written template rule or named template. Usage: T
*/
public static final int TEMPLATE = 2008;
/**
* An XPath function call to a user-defined function.
* The "expression" property references the actual expression, of class ComputedExpression.
* The "target" property references the function being called, of class UserFunction.
* Usage: QTC
*/
public static final int FUNCTION_CALL = 2009;
/**
* Entry point to a top-level XPath expression within an XSLT stylesheet.
* Usage: TC
*/
public static final int XPATH_IN_XSLT = 2011;
/**
* An XPath or XQuery "for" clause. Usage: Q
*/
public static final int FOR_EXPRESSION = 2012;
/**
* An XQuery "let" clause, or an XSLT local variable (which compiles into a LET clause).
* Usage: Q,T
*/
public static final int LET_EXPRESSION = 2013;
/**
* An XPath or XQuery "return" clause. Usage: Q
*/
public static final int RETURN_EXPRESSION = 2014;
/**
* An XPath or XQuery "if" expression. Usage: Q
*/
public static final int IF_EXPRESSION = 2015;
/**
* An XPath or XQuery "then" clause. Usage: Q
*/
public static final int THEN_EXPRESSION = 2016;
/**
* An XPath or XQuery "else" clause. Usage: Q
*/
public static final int ELSE_EXPRESSION = 2017;
/**
* A WHERE clause in a FLWOR expression. Usage: Q
*/
public static final int WHERE_CLAUSE = 2018;
/**
* An order-by clause in a FLWOR expression. Usage: Q
*/
public static final int ORDER_BY_CLAUSE = 2019;
/**
* An XPath or XQuery "typeswitch" expression. Usage: Q
*/
public static final int TYPESWITCH_EXPRESSION = 2020;
/**
* CASE clause within "typeswitch". Usage: Q
*/
public static final int CASE_EXPRESSION = 2021;
/**
* DEFAULT clause within "typeswitch". Usage: Q
*/
public static final int DEFAULT_EXPRESSION = 2022;
/**
* An XPath or XQuery "validate" expression. Usage: Q
*/
public static final int VALIDATE_EXPRESSION = 2023;
/**
* An XPath or XQuery "switch" expression. Usage: Q
*/
public static final int SWITCH_EXPRESSION = 2026;
/**
* An XQuery Update copy-modify (transform) expression. Usage: Q
*/
public static final int COPY_MODIFY_EXPRESSION = 2027;
/**
* An XQuery Update insert expression. Usage: Q
*/
public static final int INSERT_EXPRESSION = 2028;
/**
* An XPath or XQuery replace expression. Usage: Q
*/
public static final int REPLACE_EXPRESSION = 2029;
/**
* An XPath or XQuery delete expression. Usage: Q
*/
public static final int DELETE_EXPRESSION = 2030;
/**
* An XPath or XQuery rename expression. Usage: Q
*/
public static final int RENAME_EXPRESSION = 2031;
/**
* An explicit call of the fn:trace() function. Usage: QT
*/
public static final int TRACE_CALL = 2041;
/**
* An XPath expression constructed dynamically using saxon:evaluate (or saxon:expression).
* Usage: QTC
*/
public static final int SAXON_EVALUATE = 2051;
/**
* A function declaration in XSLT or XQuery
*/
public static final int FUNCTION = 2065;
/**
* XPath expression, otherwise unclassified. The "expression" property references the actual expression,
* of class ComputedExpression. Used in fallback cases only.
*/
public static final int XPATH_EXPRESSION = 2098;
/**
* Unclassified location. Used in fallback cases only.
*/
public static final int UNCLASSIFIED = 2099;
/**
* Values of the form CLAUSE_BASE + n represent FLWOR clauses
*/
public static final int CLAUSE_BASE = 3000;
private LocationKind() {
}
}
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