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

pack-priv final Class AncestorPattern

extends RelativePathPattern
Class Inheritance
Imports
com.sun.org.apache.bcel.internal.generic.BranchHandle, .ConstantPoolGen, .GOTO, .IFLT, .ILOAD, .INVOKEINTERFACE, .ISTORE, .InstructionHandle, .InstructionList, .LocalVariableGen, com.sun.org.apache.xalan.internal.xsltc.compiler.util.ClassGenerator, .MethodGenerator, .Type, .TypeCheckError, .Util
Authors
Jacek Ambroziak, Santiago Pericas-Geertsen, Erwin Bolwidt

Field Summary

Modifier and TypeField and Description
private final Pattern
_left

private InstructionHandle
_loop

private final RelativePathPattern
_right

Constructor Summary

AccessConstructor and Description
public
AncestorPattern(RelativePathPattern right)

public
AncestorPattern(Pattern left, RelativePathPattern right)

Method Summary

Modifier and TypeMethod and Description
public StepPattern
getKernelPattern()

Implements abstract com.sun.org.apache.xalan.internal.xsltc.compiler.LocationPathPattern.getKernelPattern.

public InstructionHandle
getLoopHandle()

public boolean
isWildcard()

Implements abstract com.sun.org.apache.xalan.internal.xsltc.compiler.LocationPathPattern.isWildcard.

public void
reduceKernelPattern()

Implements abstract com.sun.org.apache.xalan.internal.xsltc.compiler.LocationPathPattern.reduceKernelPattern.

public void
setParser(Parser parser)

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.SyntaxTreeNode.setParser.

Set this node's parser.

public String
toString()

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.LocationPathPattern.toString.

Returns a string representation of the object.

public void
translate(ClassGenerator classGen, MethodGenerator methodGen)

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

Translate this node into JVM bytecodes.

public Type
typeCheck(SymbolTable stable)

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

Returns the type of a pattern, which is always a NodeType.

Field Detail

_leftback to summary
private final Pattern _left
_loopback to summary
private InstructionHandle _loop
_rightback to summary
private final RelativePathPattern _right

Constructor Detail

AncestorPatternback to summary
public AncestorPattern(RelativePathPattern right)
AncestorPatternback to summary
public AncestorPattern(Pattern left, RelativePathPattern right)

Method Detail

getKernelPatternback to summary
public StepPattern getKernelPattern()

Implements abstract com.sun.org.apache.xalan.internal.xsltc.compiler.LocationPathPattern.getKernelPattern.

getLoopHandleback to summary
public InstructionHandle getLoopHandle()
isWildcardback to summary
public boolean isWildcard()

Implements abstract com.sun.org.apache.xalan.internal.xsltc.compiler.LocationPathPattern.isWildcard.

reduceKernelPatternback to summary
public void reduceKernelPattern()

Implements abstract com.sun.org.apache.xalan.internal.xsltc.compiler.LocationPathPattern.reduceKernelPattern.

setParserback to summary
public void setParser(Parser parser)

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.SyntaxTreeNode.setParser.

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

Set this node's parser. The parser (the XSLT parser) gives this syntax tree node access to the symbol table and XPath parser.

toStringback to summary
public String toString()

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.LocationPathPattern.toString.

Doc from java.lang.Object.toString.

Returns a string representation of the object. Satisfying this method's contract implies a non-null result must be returned.

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

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

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

Translate this node into JVM bytecodes. Patterns are translated as boolean expressions with true/false lists. Before calling translate on a pattern, make sure that the node being matched is on top of the stack. After calling translate, make sure to backpatch both true and false lists. True lists are the default, in the sense that they always "fall through". If this is not the intended semantics (e.g., see com.sun.org.apache.xalan.internal.xsltc.compiler.AlternativePattern#translate) then a GOTO must be appended to the instruction list after calling translate.

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

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

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

Returns the type of a pattern, which is always a NodeType. A NodeType has a number of subtypes defined by NodeType._type corresponding to each type of node.