org.apache.xalan.xsltc.compiler.util

Class NodeSetType

Implemented Interfaces:
Constants, InstructionConstants

public final class NodeSetType
extends Type

Authors:
Jacek Ambroziak
Santiago Pericas-Geertsen

Field Summary

Fields inherited from class org.apache.xalan.xsltc.compiler.util.Type

Attribute, Boolean, Comment, Element, Int, Node, NodeSet, Object, ObjectString, Processing_Instruction, Real, Reference, ResultTree, Root, String, Text, Void

Fields inherited from interface org.apache.xalan.xsltc.compiler.Constants

ABSOLUTE_ITERATOR, ACC_FINAL, ACC_PRIVATE, ACC_PROTECTED, ACC_PUBLIC, ACC_STATIC, ACC_SUPER, ADD_ATTRIBUTE, ADD_ATTRIBUTE_SIG, ADD_ITERATOR, ADD_ITERATOR_SIG, ADD_PARAMETER, ADD_PARAMETER_SIG, APPLY_TEMPLATES, ATTRIBUTES_SIG, ATTRIBUTE_LIST_FIELD, ATTRIBUTE_LIST_IMPL_CLASS, ATTRIBUTE_LIST_IMPL_SIG, ATTR_SET_SIG, BASIS_LIBRARY_CLASS, BOOLEAN_CLASS, BOOLEAN_VALUE, BOOLEAN_VALUE_SIG, CACHED_NODE_LIST_ITERATOR_CLASS, CALL_FUNCTION_CLASS, CHARACTERS, CHARACTERSW, CHARACTERSW_SIG, CHARACTERS_SIG, CLEAR_ATTRIBUTES, CLEAR_ATTRIBUTES_SIG, COLLATOR_CLASS, COLLATOR_SIG, COMPILER_PACKAGE, CURRENT_NODE_LIST_FILTER, CURRENT_NODE_LIST_FILTER_SIG, CURRENT_NODE_LIST_ITERATOR, CURRENT_NODE_LIST_ITERATOR_SIG, DEFAULT_NODE_COUNTER, DEFAULT_NODE_COUNTER_SIG, DOCUMENT_PNAME, DOM_ADAPTER_CLASS, DOM_ADAPTER_SIG, DOM_FIELD, DOM_IMPL, DOM_IMPL_CLASS, DOM_IMPL_SIG, DOM_INTF, DOM_INTF_SIG, DOM_PNAME, DOUBLE_CLASS, DOUBLE_SIG, DOUBLE_VALUE, DOUBLE_VALUE_SIG, DUP_FILTERED_ITERATOR, EMPTYATTR_FIELD, EMPTYSTRING, ERROR, FALLBACK_CLASS, FATAL, FILTER_INTERFACE, FILTER_INTERFACE_SIG, FILTER_ITERATOR, FILTER_STEP_ITERATOR, FORMAT_SYMBOLS_FIELD, GET_ATTRIBUTE_VALUE, GET_ATTRIBUTE_VALUE_SIG, GET_CHILDREN, GET_CHILDREN_SIG, GET_ELEMENT_VALUE, GET_ELEMENT_VALUE_SIG, GET_ITERATOR_SIG, GET_NODE_NAME, GET_NODE_NAME_SIG, GET_NODE_TYPE, GET_NODE_TYPE_SIG, GET_NODE_VALUE, GET_NODE_VALUE_ITERATOR, GET_NODE_VALUE_ITERATOR_SIG, GET_NODE_VALUE_SIG, GET_PARAMETER, GET_PARAMETER_SIG, GET_PARENT, GET_PARENT_SIG, GET_TYPED_CHILDREN, GET_TYPED_CHILDREN_SIG, GET_UNPARSED_ENTITY_URI, GET_UNPARSED_ENTITY_URI_SIG, HASIDCALL_INDEX, HASIDCALL_INDEX_SIG, HAS_ATTRIBUTE, HAS_ATTRIBUTE_SIG, INTEGER_CLASS, INTEGER_SIG, INTERNAL, INT_VALUE, INT_VALUE_SIG, INVOKE_METHOD, ITERATOR_FIELD_SIG, ITERATOR_PNAME, KEY_INDEX_CLASS, KEY_INDEX_SIG, LAST_INDEX, LOAD_DOCUMENT_CLASS, LOCALE_CLASS, LOCALE_SIG, MAKE_NODE, MAKE_NODE_LIST, MAKE_NODE_LIST_SIG, MAKE_NODE_LIST_SIG2, MAKE_NODE_SIG, MAKE_NODE_SIG2, MATCHING_ITERATOR, MATH_CLASS, MULTI_DOM_CLASS, MULTI_DOM_SIG, NAMESPACE_FEATURE, NAMESPACE_INDEX, NAMESPACE_INDEX_SIG, NAMES_INDEX, NAMES_INDEX_SIG, NEXT, NEXTID, NEXT_SIG, NODE, NODE_COUNTER, NODE_COUNTER_SIG, NODE_FIELD, NODE_FIELD_SIG, NODE_ITERATOR, NODE_ITERATOR_BASE, NODE_ITERATOR_SIG, NODE_PNAME, NODE_SIG, NODE_SORT_FACTORY, NODE_SORT_FACTORY_SIG, NODE_SORT_RECORD, NODE_SORT_RECORD_SIG, NTH_ITERATOR_CLASS, OBJECT_CLASS, OBJECT_SIG, ORDER_ITERATOR, ORDER_ITERATOR_SIG, OUTPUT_BASE, OUTPUT_HANDLER, OUTPUT_HANDLER_SIG, POP_PARAM_FRAME, POP_PARAM_FRAME_SIG, POSITION_INDEX, PUSH_PARAM_FRAME, PUSH_PARAM_FRAME_SIG, REDIRECT_URI, RESET, RESET_SIG, RTF_INITIAL_SIZE, RUNTIME_NODE_CLASS, RUNTIME_PACKAGE, SAX_IMPL, SAX_IMPL_CLASS, SAX_IMPL_SIG, SET_START_NODE, SET_START_NODE_SIG, SINGLETON_ITERATOR, SORT_ITERATOR, SORT_ITERATOR_SIG, STATIC_CHAR_DATA_FIELD, STATIC_CHAR_DATA_FIELD_SIG, STATIC_NAMESPACE_ARRAY_FIELD, STATIC_NAMES_ARRAY_FIELD, STATIC_TYPES_ARRAY_FIELD, STATIC_URIS_ARRAY_FIELD, STEP_ITERATOR_CLASS, STREAM_XML_OUTPUT, STRING, STRING_BUFFER_CLASS, STRING_BUFFER_SIG, STRING_CLASS, STRING_SIG, STRING_TO_INT, STRING_TO_INT_SIG, STRING_TO_REAL, STRING_TO_REAL_SIG, STRING_VALUE_HANDLER, STRING_VALUE_HANDLER_SIG, STRING_WRITER, STRIP_SPACE, STRIP_SPACE_INTF, STRIP_SPACE_PARAMS, STRIP_SPACE_SIG, TRANSLET_CLASS, TRANSLET_FIELD, TRANSLET_FIELD_SIG, TRANSLET_INTF, TRANSLET_INTF_SIG, TRANSLET_OUTPUT_BASE, TRANSLET_OUTPUT_INTERFACE, TRANSLET_OUTPUT_PNAME, TRANSLET_OUTPUT_SIG, TRANSLET_PNAME, TRANSLET_SIG, TRANSLET_URI, TRANSLET_VERSION_INDEX, TRANSLET_VERSION_INDEX_SIG, TYPES_INDEX, TYPES_INDEX_SIG, UNION_ITERATOR_CLASS, UNION_ITERATOR_SIG, UNSUPPORTED, URIS_INDEX, URIS_INDEX_SIG, WARNING, WRITER_SIG, XHTML_URI, XMLNS_PREFIX, XMLNS_STRING, XMLNS_URI, XSLT_PACKAGE, XSLT_URI

Method Summary

Instruction
LOAD(int slot)
Instruction
STORE(int slot)
String
getClassName()
Returns the class name of an internal type's external representation.
boolean
identicalTo(Type other)
Returns true if this and other are identical types.
org.apache.bcel.generic.Type
toJCType()
String
toSignature()
Returns the signature of an internal type's external representation.
String
toString()
Returns a string representation of this type.
void
translateBox(ClassGenerator classGen, MethodGenerator methodGen)
Translates an object of this type to its boxed representation.
void
translateFrom(ClassGenerator classGen, MethodGenerator methodGen, Class clazz)
Translates an external Java Class into an internal type.
void
translateTo(ClassGenerator classGen, MethodGenerator methodGen, Class clazz)
Translates a node-set into the Java type denoted by clazz.
void
translateTo(ClassGenerator classGen, MethodGenerator methodGen, BooleanType type)
Translates a node-set into a synthesized boolean.
void
translateTo(ClassGenerator classGen, MethodGenerator methodGen, NodeType type)
Expects a node-set on the stack and pushes a node.
void
translateTo(ClassGenerator classGen, MethodGenerator methodGen, ObjectType type)
Subsume node-set into ObjectType.
void
translateTo(ClassGenerator classGen, MethodGenerator methodGen, RealType type)
Expects a node-set on the stack and pushes a real.
void
translateTo(ClassGenerator classGen, MethodGenerator methodGen, ReferenceType type)
Expects a node-set on the stack and pushes a boxed node-set.
void
translateTo(ClassGenerator classGen, MethodGenerator methodGen, StringType type)
Translates a node-set into a string.
void
translateTo(ClassGenerator classGen, MethodGenerator methodGen, Type type)
Translates a node-set into an object of internal type type.
FlowList
translateToDesynthesized(ClassGenerator classGen, MethodGenerator methodGen, BooleanType type)
Translates a node-set into a non-synthesized boolean.
void
translateUnBox(ClassGenerator classGen, MethodGenerator methodGen)
Translates an object of this type to its unboxed representation.

Methods inherited from class org.apache.xalan.xsltc.compiler.util.Type

ADD, CMP, DIV, DUP, GE, GT, LE, LOAD, LT, MUL, NEG, POP, REM, STORE, SUB, distanceTo, getClassName, identicalTo, implementedAsMethod, isNumber, isSimple, newObjectType, newObjectType, toJCType, toSignature, toString, translateBox, translateFrom, translateTo, translateTo, translateToDesynthesized, translateToDesynthesized, translateUnBox

Method Details

LOAD

public Instruction LOAD(int slot)
Overrides:
LOAD in interface Type


STORE

public Instruction STORE(int slot)
Overrides:
STORE in interface Type


getClassName

public String getClassName()
Returns the class name of an internal type's external representation.
Overrides:
getClassName in interface Type


identicalTo

public boolean identicalTo(Type other)
Returns true if this and other are identical types.
Overrides:
identicalTo in interface Type


toJCType

public org.apache.bcel.generic.Type toJCType()
Overrides:
toJCType in interface Type


toSignature

public String toSignature()
Returns the signature of an internal type's external representation.
Overrides:
toSignature in interface Type


toString

public String toString()
Returns a string representation of this type.
Overrides:
toString in interface Type


translateBox

public void translateBox(ClassGenerator classGen,
                         MethodGenerator methodGen)
Translates an object of this type to its boxed representation.
Overrides:
translateBox in interface Type


translateFrom

public void translateFrom(ClassGenerator classGen,
                          MethodGenerator methodGen,
                          Class clazz)
Translates an external Java Class into an internal type. Expects the Java object on the stack, pushes the internal type
Overrides:
translateFrom in interface Type


translateTo

public void translateTo(ClassGenerator classGen,
                        MethodGenerator methodGen,
                        Class clazz)
Translates a node-set into the Java type denoted by clazz. Expects a node-set on the stack and pushes an object of the appropriate type after coercion.
Overrides:
translateTo in interface Type


translateTo

public void translateTo(ClassGenerator classGen,
                        MethodGenerator methodGen,
                        BooleanType type)
Translates a node-set into a synthesized boolean. The boolean value of a node-set is "true" if non-empty and "false" otherwise. Notice that the function getFirstNode() is called in translateToDesynthesized().

See Also:
org.apache.xalan.xsltc.compiler.util.Type.translateTo


translateTo

public void translateTo(ClassGenerator classGen,
                        MethodGenerator methodGen,
                        NodeType type)
Expects a node-set on the stack and pushes a node.

See Also:
org.apache.xalan.xsltc.compiler.util.Type.translateTo


translateTo

public void translateTo(ClassGenerator classGen,
                        MethodGenerator methodGen,
                        ObjectType type)
Subsume node-set into ObjectType.

See Also:
org.apache.xalan.xsltc.compiler.util.Type.translateTo


translateTo

public void translateTo(ClassGenerator classGen,
                        MethodGenerator methodGen,
                        RealType type)
Expects a node-set on the stack and pushes a real. First the node-set is converted to string, and from string to real.

See Also:
org.apache.xalan.xsltc.compiler.util.Type.translateTo


translateTo

public void translateTo(ClassGenerator classGen,
                        MethodGenerator methodGen,
                        ReferenceType type)
Expects a node-set on the stack and pushes a boxed node-set. Node sets are already boxed so the translation is just a NOP.

See Also:
org.apache.xalan.xsltc.compiler.util.Type.translateTo


translateTo

public void translateTo(ClassGenerator classGen,
                        MethodGenerator methodGen,
                        StringType type)
Translates a node-set into a string. The string value of a node-set is value of its first element.

See Also:
org.apache.xalan.xsltc.compiler.util.Type.translateTo


translateTo

public void translateTo(ClassGenerator classGen,
                        MethodGenerator methodGen,
                        Type type)
Translates a node-set into an object of internal type type. The translation to int is undefined since node-sets are always converted to reals in arithmetic expressions.
Overrides:
translateTo in interface Type

See Also:
org.apache.xalan.xsltc.compiler.util.Type.translateTo


translateToDesynthesized

public FlowList translateToDesynthesized(ClassGenerator classGen,
                                         MethodGenerator methodGen,
                                         BooleanType type)
Translates a node-set into a non-synthesized boolean. It does not push a 0 or a 1 but instead returns branchhandle list to be appended to the false list.
Overrides:
translateToDesynthesized in interface Type

See Also:
org.apache.xalan.xsltc.compiler.util.Type.translateToDesynthesized


translateUnBox

public void translateUnBox(ClassGenerator classGen,
                           MethodGenerator methodGen)
Translates an object of this type to its unboxed representation.
Overrides:
translateUnBox in interface Type


Copyright B) 2004 Apache XML Project. All Rights Reserved.