org.apache.xalan.xsltc.compiler.util

Class RealType

Implemented Interfaces:
Constants, InstructionConstants

public final class RealType
extends NumberType

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, 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
ADD()
Instruction
CMP(boolean less)
Instruction
DIV()
Instruction
DUP()
Instruction
LOAD(int slot)
Instruction
MUL()
Instruction
NEG()
Instruction
POP()
Instruction
REM()
Instruction
STORE(int slot)
Instruction
SUB()
int
distanceTo(Type type)
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 (primitive) Java type into a real.
void
translateTo(ClassGenerator classGen, MethodGenerator methodGen, Class clazz)
Translates a real into the Java type denoted by clazz.
void
translateTo(ClassGenerator classGen, MethodGenerator methodGen, BooleanType type)
Expects a real on the stack and pushes a 0 if that number is 0.0 and a 1 otherwise.
void
translateTo(ClassGenerator classGen, MethodGenerator methodGen, IntType type)
Expects a real on the stack and pushes a truncated integer value
void
translateTo(ClassGenerator classGen, MethodGenerator methodGen, ReferenceType type)
Expects a double on the stack and pushes a boxed double.
void
translateTo(ClassGenerator classGen, MethodGenerator methodGen, StringType type)
Expects a real on the stack and pushes its string value by calling Double.toString(double d).
void
translateTo(ClassGenerator classGen, MethodGenerator methodGen, Type type)
Translates a real into an object of internal type type.
FlowList
translateToDesynthesized(ClassGenerator classGen, MethodGenerator methodGen, BooleanType type)
Translates a real 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.NumberType

isNumber, isSimple

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

ADD

public Instruction ADD()
Overrides:
ADD in interface Type

CMP

public Instruction CMP(boolean less)
Overrides:
CMP in interface Type

DIV

public Instruction DIV()
Overrides:
DIV in interface Type

DUP

public Instruction DUP()
Overrides:
DUP in interface Type

LOAD

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

MUL

public Instruction MUL()
Overrides:
MUL in interface Type

NEG

public Instruction NEG()
Overrides:
NEG in interface Type

POP

public Instruction POP()
Overrides:
POP in interface Type

REM

public Instruction REM()
Overrides:
REM in interface Type

STORE

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

SUB

public Instruction SUB()
Overrides:
SUB in interface Type

distanceTo

public int distanceTo(Type type)
Overrides:
distanceTo 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 (primitive) Java type into a real. Expects a java object on the stack and pushes a real (i.e., a double).
Overrides:
translateFrom in interface Type

translateTo

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

translateTo

public void translateTo(ClassGenerator classGen,
                        MethodGenerator methodGen,
                        BooleanType type)
Expects a real on the stack and pushes a 0 if that number is 0.0 and a 1 otherwise.
See Also:
org.apache.xalan.xsltc.compiler.util.Type.translateTo

translateTo

public void translateTo(ClassGenerator classGen,
                        MethodGenerator methodGen,
                        IntType type)
Expects a real on the stack and pushes a truncated integer value
See Also:
org.apache.xalan.xsltc.compiler.util.Type.translateTo

translateTo

public void translateTo(ClassGenerator classGen,
                        MethodGenerator methodGen,
                        ReferenceType type)
Expects a double on the stack and pushes a boxed double. Boxed double are represented by an instance of java.lang.Double.
See Also:
org.apache.xalan.xsltc.compiler.util.Type.translateTo

translateTo

public void translateTo(ClassGenerator classGen,
                        MethodGenerator methodGen,
                        StringType type)
Expects a real on the stack and pushes its string value by calling Double.toString(double d).
See Also:
org.apache.xalan.xsltc.compiler.util.Type.translateTo

translateTo

public void translateTo(ClassGenerator classGen,
                        MethodGenerator methodGen,
                        Type type)
Translates a real into an object of internal type type. The translation to int is undefined since reals are never converted to ints.
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 real 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. A NaN must be converted to "false".
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) 2005 Apache XML Project. All Rights Reserved.