Package com.saxonica.ee.bytecode

Class ProcessingInstructionCompiler

java.lang.Object

com.saxonica.ee.bytecode.ExpressionCompiler

com.saxonica.ee.bytecode.ToIteratorCompiler

com.saxonica.ee.bytecode.ToPushCompiler

com.saxonica.ee.bytecode.SimpleNodeConstructorCompiler

com.saxonica.ee.bytecode.ProcessingInstructionCompiler

public class ProcessingInstructionCompiler
extends SimpleNodeConstructorCompiler

Constructor Summary

Constructors

Constructor	Description
ProcessingInstructionCompiler()

Method Summary

Modifier and Type	Method	Description
void	checkContent(CompilerService compiler, Expression expression)	Compile code to check the content of the node, and adjust it if necessary On entry the proposed content is on the stack as a UnicodeString; on exit the revised content must be on the stack as a UnicodeString.
protected void	compileNodeName(CompilerService compiler, Expression expression)	Compile code to generate the node name (if any) and leave it on the top of the stack.
protected boolean	isNamedNodeKind()	Ask whether this instruction generates a kind of node that is named
protected void	pushNode(CompilerService compiler, Expression expression)	Generate code to write the node to the current receiver.

Methods inherited from class com.saxonica.ee.bytecode.SimpleNodeConstructorCompiler

compileToItem, compileToPush, isNoNodeIfEmpty

Methods inherited from class com.saxonica.ee.bytecode.ToPushCompiler

compilePushToSequenceCollector, compileToIterator

Methods inherited from class com.saxonica.ee.bytecode.ToIteratorCompiler

compileToBoolean

Methods inherited from class com.saxonica.ee.bytecode.ExpressionCompiler

allocateStatic, compileItemFromInt, compileToPrimitive, generateMethod, handleEmptyStringResult, printStackTop, verify, visitAnnotation, visitLineNumber

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ProcessingInstructionCompiler

public ProcessingInstructionCompiler()

Method Detail

isNamedNodeKind

protected boolean isNamedNodeKind()

Ask whether this instruction generates a kind of node that is named

Overrides:

isNamedNodeKind in class SimpleNodeConstructorCompiler

Returns:

true if the instruction generates a kind of node that is named

compileNodeName

protected void compileNodeName(CompilerService compiler,
                               Expression expression)
                        throws CannotCompileException

Compile code to generate the node name (if any) and leave it on the top of the stack. For node kinds that are always unnamed (such as comments), the stack is not changed. For node kinds that may be named or unnamed (namespace nodes), an entry is always added to the stack, which will be null if the particular node has no name.

Overrides:

compileNodeName in class SimpleNodeConstructorCompiler

Parameters:

compiler - the compiler service

expression - the expression to be compiled

Throws:

CannotCompileException - if the expression cannot be compiled to bytecode

checkContent

public void checkContent(CompilerService compiler,
                         Expression expression)

Description copied from class: SimpleNodeConstructorCompiler

Compile code to check the content of the node, and adjust it if necessary On entry the proposed content is on the stack as a UnicodeString; on exit the revised content must be on the stack as a UnicodeString.

Overrides:

checkContent in class SimpleNodeConstructorCompiler

Parameters:

compiler - the compiler service

expression - the expression to be compiled

pushNode

protected void pushNode(CompilerService compiler,
                        Expression expression)

Generate code to write the node to the current receiver. On entry the stack holds the current receiver, the node name (for named node kinds only) and the content (for all nodes)

Specified by:

pushNode in class SimpleNodeConstructorCompiler

Parameters:

compiler - the compiler service

expression - the expression to be compiled