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java.lang.Object net.sf.saxon.trace.Location
public class Location
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. Some of these locations represent points where the dynamic context changes, and they are therefore recorded as such on the context stack. Some of the locations represent points in the evaluation of a stylesheet (or query or XPath expression) that are notified to the trace listener. Some fulfil both roles.
Any constant used in 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, and/or C to indicate that they can appear on the dynamic context stack.
Field Summary | |
---|---|
static int |
BUILT_IN_TEMPLATE
An XSLT built-in template rule. |
static int |
CASE_EXPRESSION
CASE clause within "typeswitch". |
static int |
CONTROLLER
The outer system environment, identified as the caller of a user query or stylesheet. |
static int |
COPY_MODIFY_EXPRESSION
An XQuery Update copy-modify (transform) expression. |
static int |
DEFAULT_EXPRESSION
DEFAULT clause within "typeswitch". |
static int |
DELETE_EXPRESSION
An XPath or XQuery delete expression. |
static int |
ELSE_EXPRESSION
An XPath or XQuery "else" clause. |
static int |
EXTENSION_INSTRUCTION
An XSLT instruction. |
static int |
FOR_EXPRESSION
An XPath or XQuery "for" clause. |
static int |
FUNCTION
A function declaration in XSLT or XQuery |
static int |
FUNCTION_CALL
An XPath function call to a user-defined function. |
static int |
IF_EXPRESSION
An XPath or XQuery "if" expression. |
static int |
INSERT_EXPRESSION
An XQuery Update insert expression. |
static int |
LAZY_EVALUATION
Lazy evaluation of an expression (this code is used to identify a context created as a saved copy of an existing context, to be stored in a Closure). |
static int |
LET_EXPRESSION
An XQuery "let" clause, or an XSLT local variable (which compiles into a LET clause). |
static int |
LITERAL_RESULT_ATTRIBUTE
An attribute of an XSLT literal result element or of an XQuery direct element constructor. |
static int |
LITERAL_RESULT_ELEMENT
An XSLT literal result element, or an XQuery direct element constructor. |
static int |
ORDER_BY_CLAUSE
An order-by clause in a FLWOR expression. |
static int |
PATH_EXPRESSION
An XPath or XQuery path expression. |
static int |
RENAME_EXPRESSION
An XPath or XQuery rename expression. |
static int |
REPLACE_EXPRESSION
An XPath or XQuery replace expression. |
static int |
RETURN_EXPRESSION
An XPath or XQuery "return" clause. |
static int |
SAXON_EVALUATE
An XPath expression constructed dynamically using saxon:evaluate (or saxon:expression). |
static int |
SWITCH_EXPRESSION
An XPath or XQuery "switch" expression. |
static int |
TEMPLATE
An XSLT user-written template rule or named template. |
static int |
THEN_EXPRESSION
An XPath or XQuery "then" clause. |
static int |
TRACE_CALL
An explicit call of the fn:trace() function. |
static int |
TYPESWITCH_EXPRESSION
An XPath or XQuery "typeswitch" expression. |
static int |
UNCLASSIFIED
Unclassified location. |
static int |
VALIDATE_EXPRESSION
An XPath or XQuery "validate" expression. |
static int |
WHERE_CLAUSE
A WHERE clause in a FLWOR expression. |
static int |
XPATH_EXPRESSION
XPath expression, otherwise unclassified. |
static int |
XPATH_IN_XSLT
Entry point to a top-level XPath expression within an XSLT stylesheet. |
Method Summary |
---|
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final int CONTROLLER
public static final int EXTENSION_INSTRUCTION
public static final int LITERAL_RESULT_ELEMENT
public static final int LITERAL_RESULT_ATTRIBUTE
public static final int TEMPLATE
public static final int FUNCTION_CALL
public static final int BUILT_IN_TEMPLATE
public static final int XPATH_IN_XSLT
public static final int FOR_EXPRESSION
public static final int LET_EXPRESSION
public static final int RETURN_EXPRESSION
public static final int IF_EXPRESSION
public static final int THEN_EXPRESSION
public static final int ELSE_EXPRESSION
public static final int WHERE_CLAUSE
public static final int ORDER_BY_CLAUSE
public static final int TYPESWITCH_EXPRESSION
public static final int CASE_EXPRESSION
public static final int DEFAULT_EXPRESSION
public static final int VALIDATE_EXPRESSION
public static final int PATH_EXPRESSION
public static final int SWITCH_EXPRESSION
public static final int COPY_MODIFY_EXPRESSION
public static final int INSERT_EXPRESSION
public static final int REPLACE_EXPRESSION
public static final int DELETE_EXPRESSION
public static final int RENAME_EXPRESSION
public static final int TRACE_CALL
public static final int SAXON_EVALUATE
public static final int LAZY_EVALUATION
public static final int FUNCTION
public static final int XPATH_EXPRESSION
public static final int UNCLASSIFIED
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