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com.sun.org.apache.xalan.internal.xsltc.compiler

pack-priv final Class ElementAvailableCall

extends FunctionCall
Class Inheritance
Imports
com.sun.org.apache.bcel.internal.generic.ConstantPoolGen, .PUSH, com.sun.org.apache.xalan.internal.xsltc.compiler.util.ClassGenerator, .ErrorMsg, .MethodGenerator, .Type, .TypeCheckError, java.util.List
Authors
Jacek Ambroziak, Santiago Pericas-Geertsen

Field Summary

Inherited from com.sun.org.apache.xalan.internal.xsltc.compiler.FunctionCall:
_thisArgumentEXSLT_COMMONEXSLT_DATETIMEEXSLT_MATHEXSLT_SETSEXSLT_STRINGSEXT_XALANEXT_XSLTCJAVA_EXT_XALANJAVA_EXT_XALAN_OLDJAVA_EXT_XSLTCNAMESPACE_FORMAT_CLASSNAMESPACE_FORMAT_CLASS_OR_PACKAGENAMESPACE_FORMAT_JAVANAMESPACE_FORMAT_PACKAGEXALAN_CLASSPACKAGE_NAMESPACE

Constructor Summary

AccessConstructor and Description
public
ElementAvailableCall(QName fname, List<Expression> arguments)

Method Summary

Modifier and TypeMethod and Description
public Object
evaluateAtCompileTime()

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.Expression.evaluateAtCompileTime.

Returns an object representing the compile-time evaluation of an expression.
public boolean
getResult()

Returns the result that this function will return

public void
translate(ClassGenerator
BCEL Java class generator
classGen, MethodGenerator
BCEL Java method generator
methodGen)

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.FunctionCall.translate.

Calls to 'element-available' are resolved at compile time since the namespaces declared in the stylsheet are not available at run time.
public Type
typeCheck(SymbolTable
The compiler/parser's symbol table
stable)

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.FunctionCall.typeCheck.

Force the argument to this function to be a literal string.
Inherited from com.sun.org.apache.xalan.internal.xsltc.compiler.FunctionCall:
argumentargumentargumentCountgetClassNameFromUrigetNamegetSignaturegetSignaturegetSignatureisExtensionisStandardreplaceDashsetArgumentsetParsertoStringtranslateDesynthesizedtypeCheckArgstypeCheckConstructortypeCheckExternaltypeCheckStandard

Constructor Detail

ElementAvailableCallback to summary
public ElementAvailableCall(QName fname, List<Expression> arguments)

Method Detail

evaluateAtCompileTimeback to summary
public Object evaluateAtCompileTime()

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.Expression.evaluateAtCompileTime.

Returns an object representing the compile-time evaluation of an expression. We are only using this for function-available and element-available at this time.

getResultback to summary
public boolean getResult()

Returns the result that this function will return

translateback to summary
public void translate(ClassGenerator classGen, MethodGenerator methodGen)

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.FunctionCall.translate.

Calls to 'element-available' are resolved at compile time since the namespaces declared in the stylsheet are not available at run time. Consequently, arguments to this function must be literals.

Parameters
classGen:ClassGenerator

Doc from com.sun.org.apache.xalan.internal.xsltc.compiler.SyntaxTreeNode.translate.

BCEL Java class generator

methodGen:MethodGenerator

Doc from com.sun.org.apache.xalan.internal.xsltc.compiler.SyntaxTreeNode.translate.

BCEL Java method generator

typeCheckback to summary
public Type typeCheck(SymbolTable stable) throws TypeCheckError

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.FunctionCall.typeCheck.

Force the argument to this function to be a literal string.

Parameters
stable:SymbolTable

Doc from com.sun.org.apache.xalan.internal.xsltc.compiler.SyntaxTreeNode.typeCheck.

The compiler/parser's symbol table