Class RealType
- java.lang.Object
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- org.apache.xalan.xsltc.compiler.util.Type
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- org.apache.xalan.xsltc.compiler.util.NumberType
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- org.apache.xalan.xsltc.compiler.util.RealType
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- All Implemented Interfaces:
org.apache.bcel.generic.InstructionConstants
,Constants
public final class RealType extends NumberType
- Author:
- Jacek Ambroziak, Santiago Pericas-Geertsen
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Field Summary
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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
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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, ATTR_SET_SIG, ATTRIBUTE_LIST_FIELD, ATTRIBUTE_LIST_IMPL_CLASS, ATTRIBUTE_LIST_IMPL_SIG, ATTRIBUTES_SIG, BASIS_LIBRARY_CLASS, BOOLEAN_CLASS, BOOLEAN_VALUE, BOOLEAN_VALUE_SIG, CACHED_NODE_LIST_ITERATOR_CLASS, CHARACTERS, CHARACTERS_SIG, CHARACTERSW, CHARACTERSW_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, EXPAND_STYLESHEET_QNAME_REF, EXPAND_STYLESHEET_QNAME_SIG, 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, HAS_ATTRIBUTE, HAS_ATTRIBUTE_SIG, HASIDCALL_INDEX, HASIDCALL_INDEX_SIG, INT_VALUE, INT_VALUE_SIG, INTEGER_CLASS, INTEGER_SIG, INTERNAL, INVOKE_METHOD, ITERATOR_FIELD_SIG, ITERATOR_PNAME, KEY_INDEX_CLASS, KEY_INDEX_ITERATOR_SIG, KEY_INDEX_SIG, LAST_INDEX, LOAD_DOCUMENT_CLASS, LOCALE_CLASS, LOCALE_SIG, LOOKUP_STYLESHEET_QNAME_NS_REF, LOOKUP_STYLESHEET_QNAME_NS_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, NAMES_INDEX, NAMES_INDEX_SIG, NAMESPACE_FEATURE, NAMESPACE_INDEX, NAMESPACE_INDEX_SIG, NEXT, NEXT_SIG, NEXTID, 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, NS_ANCESTORS_INDEX_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, PREFIX_URIS_ARRAY_SIG, PREFIX_URIS_IDX_SIG, 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_NAMES_ARRAY_FIELD, STATIC_NAMESPACE_ARRAY_FIELD, STATIC_NS_ANCESTORS_ARRAY_FIELD, STATIC_PREFIX_URIS_ARRAY_FIELD, STATIC_PREFIX_URIS_IDX_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
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Fields inherited from interface org.apache.bcel.generic.InstructionConstants
AALOAD, AASTORE, ACONST_NULL, ALOAD_0, ALOAD_1, ALOAD_2, ARETURN, ARRAYLENGTH, ASTORE_0, ASTORE_1, ASTORE_2, ATHROW, BALOAD, BASTORE, bla, CALOAD, CASTORE, D2F, D2I, D2L, DADD, DALOAD, DASTORE, DCMPG, DCMPL, DCONST_0, DCONST_1, DDIV, DMUL, DNEG, DREM, DRETURN, DSUB, DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1, DUP2_X2, F2D, F2I, F2L, FADD, FALOAD, FASTORE, FCMPG, FCMPL, FCONST_0, FCONST_1, FCONST_2, FDIV, FMUL, FNEG, FREM, FRETURN, FSUB, I2B, I2C, I2D, I2F, I2L, I2S, IADD, IALOAD, IAND, IASTORE, ICONST_0, ICONST_1, ICONST_2, ICONST_3, ICONST_4, ICONST_5, ICONST_M1, IDIV, ILOAD_0, ILOAD_1, ILOAD_2, IMUL, INEG, INSTRUCTIONS, IOR, IREM, IRETURN, ISHL, ISHR, ISTORE_0, ISTORE_1, ISTORE_2, ISUB, IUSHR, IXOR, L2D, L2F, L2I, LADD, LALOAD, LAND, LASTORE, LCMP, LCONST_0, LCONST_1, LDIV, LMUL, LNEG, LOR, LREM, LRETURN, LSHL, LSHR, LSUB, LUSHR, LXOR, MONITORENTER, MONITOREXIT, NOP, POP, POP2, RETURN, SALOAD, SASTORE, SWAP, THIS
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description org.apache.bcel.generic.Instruction
ADD()
org.apache.bcel.generic.Instruction
CMP(boolean less)
int
distanceTo(Type type)
Returns the distance between two types.org.apache.bcel.generic.Instruction
DIV()
org.apache.bcel.generic.Instruction
DUP()
boolean
identicalTo(Type other)
Returns true if this and other are identical types.org.apache.bcel.generic.Instruction
LOAD(int slot)
org.apache.bcel.generic.Instruction
MUL()
org.apache.bcel.generic.Instruction
NEG()
org.apache.bcel.generic.Instruction
POP()
org.apache.bcel.generic.Instruction
REM()
org.apache.bcel.generic.Instruction
STORE(int slot)
org.apache.bcel.generic.Instruction
SUB()
org.apache.bcel.generic.Type
toJCType()
java.lang.String
toSignature()
Returns the signature of an internal type's external representation.java.lang.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, java.lang.Class clazz)
Translates an external (primitive) Java type into a real.void
translateTo(ClassGenerator classGen, MethodGenerator methodGen, java.lang.Class clazz)
Translates a real into the Java type denoted byclazz
.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 valuevoid
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 callingDouble.toString(double d)
.void
translateTo(ClassGenerator classGen, MethodGenerator methodGen, Type type)
Translates a real into an object of internal typetype
.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
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Methods inherited from class org.apache.xalan.xsltc.compiler.util.Type
GE, getClassName, GT, implementedAsMethod, LE, LT, newObjectType, newObjectType, translateToDesynthesized
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Method Detail
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toString
public java.lang.String toString()
Description copied from class:Type
Returns a string representation of this type.
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identicalTo
public boolean identicalTo(Type other)
Description copied from class:Type
Returns true if this and other are identical types.- Specified by:
identicalTo
in classType
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toSignature
public java.lang.String toSignature()
Description copied from class:Type
Returns the signature of an internal type's external representation.- Specified by:
toSignature
in classType
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distanceTo
public int distanceTo(Type type)
Description copied from class:Type
Returns the distance between two types. This measure is used to select overloaded functions/operators. This method is typically redefined by the subclasses.- Overrides:
distanceTo
in classType
- See Also:
Type.distanceTo(org.apache.xalan.xsltc.compiler.util.Type)
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translateTo
public void translateTo(ClassGenerator classGen, MethodGenerator methodGen, Type type)
Translates a real into an object of internal typetype
. The translation to int is undefined since reals are never converted to ints.
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translateTo
public void translateTo(ClassGenerator classGen, MethodGenerator methodGen, StringType type)
Expects a real on the stack and pushes its string value by callingDouble.toString(double d)
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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.
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translateTo
public void translateTo(ClassGenerator classGen, MethodGenerator methodGen, IntType type)
Expects a real on the stack and pushes a truncated integer value
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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".
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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 ofjava.lang.Double
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translateTo
public void translateTo(ClassGenerator classGen, MethodGenerator methodGen, java.lang.Class clazz)
Translates a real into the Java type denoted byclazz
. Expects a real on the stack and pushes a number of the appropriate type after coercion.- Overrides:
translateTo
in classType
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translateFrom
public void translateFrom(ClassGenerator classGen, MethodGenerator methodGen, java.lang.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 classType
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translateBox
public void translateBox(ClassGenerator classGen, MethodGenerator methodGen)
Translates an object of this type to its boxed representation.- Overrides:
translateBox
in classType
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translateUnBox
public void translateUnBox(ClassGenerator classGen, MethodGenerator methodGen)
Translates an object of this type to its unboxed representation.- Overrides:
translateUnBox
in classType
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