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

public final Class RealType

extends NumberType
Class Inheritance
Imports
com.sun.org.apache.bcel.internal.generic.BranchHandle, .CHECKCAST, .ConstantPoolGen, .DLOAD, .DSTORE, .GOTO, .IFEQ, .IFNE, .INVOKESPECIAL, .INVOKESTATIC, .INVOKEVIRTUAL, .Instruction, .InstructionConst, .InstructionList, .LocalVariableGen, .NEW, com.sun.org.apache.xalan.internal.xsltc.compiler.Constants, .FlowList
Authors
Jacek Ambroziak, Santiago Pericas-Geertsen

Constructor Summary

AccessConstructor and Description
protected
RealType()

Method Summary

Modifier and TypeMethod and Description
public Instruction
ADD()

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.ADD.

public Instruction
CMP(boolean less)

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.CMP.

public int
distanceTo(Type type)

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.distanceTo.

Returns the distance between two types.

public Instruction
DIV()

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.DIV.

public Instruction
DUP()

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.DUP.

public boolean
identicalTo(Type other)

Implements abstract com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.identicalTo.

Returns true if this and other are identical types.

public Instruction
LOAD(int slot)

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.LOAD.

public Instruction
MUL()

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.MUL.

public Instruction
NEG()

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.NEG.

public Instruction
POP()

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.POP.

public Instruction
REM()

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.REM.

public Instruction
STORE(int slot)

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.STORE.

public Instruction
SUB()

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.SUB.

public Type
toJCType()

Implements abstract com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.toJCType.

public String
toSignature()

Implements abstract com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.toSignature.

Returns the signature of an internal type's external representation.

public String
toString()

Implements abstract com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.toString.

Returns a string representation of this type.

public void
translateBox(ClassGenerator classGen, MethodGenerator methodGen)

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.translateBox.

Translates an object of this type to its boxed representation.

public void
translateFrom(ClassGenerator classGen, MethodGenerator methodGen, Class<?> clazz)

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.translateFrom.

Translates an external (primitive) Java type into a real.

public void
translateTo(ClassGenerator classGen, MethodGenerator methodGen, Type type)

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.translateTo.

Translates a real into an object of internal type type.

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).

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.

public void
translateTo(ClassGenerator classGen, MethodGenerator methodGen, IntType type)

Expects a real on the stack and pushes a truncated integer value

public void
translateTo(ClassGenerator classGen, MethodGenerator methodGen, ReferenceType type)

Expects a double on the stack and pushes a boxed double.

public void
translateTo(ClassGenerator classGen, MethodGenerator methodGen, final Class<?> clazz)

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.translateTo.

Translates a real into the Java type denoted by clazz.

public FlowList
translateToDesynthesized(ClassGenerator classGen, MethodGenerator methodGen, BooleanType type)

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.translateToDesynthesized.

Translates a real into a non-synthesized boolean.

public void
translateUnBox(ClassGenerator classGen, MethodGenerator methodGen)

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.translateUnBox.

Translates an object of this type to its unboxed representation.

Inherited from com.sun.org.apache.xalan.internal.xsltc.compiler.util.NumberType:
isNumberisSimple

Constructor Detail

RealTypeback to summary
protected RealType()

Method Detail

ADDback to summary
public Instruction ADD()

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.ADD.

CMPback to summary
public Instruction CMP(boolean less)

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.CMP.

distanceToback to summary
public int distanceTo(Type type)

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.distanceTo.

Doc from com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.distanceTo.

Returns the distance between two types. This measure is used to select overloaded functions/operators. This method is typically redefined by the subclasses.

See Also
com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#distanceTo
DIVback to summary
public Instruction DIV()

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.DIV.

DUPback to summary
public Instruction DUP()

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.DUP.

identicalToback to summary
public boolean identicalTo(Type other)

Implements abstract com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.identicalTo.

Doc from com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.identicalTo.

Returns true if this and other are identical types.

LOADback to summary
public Instruction LOAD(int slot)

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.LOAD.

MULback to summary
public Instruction MUL()

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.MUL.

NEGback to summary
public Instruction NEG()

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.NEG.

POPback to summary
public Instruction POP()

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.POP.

REMback to summary
public Instruction REM()

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.REM.

STOREback to summary
public Instruction STORE(int slot)

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.STORE.

SUBback to summary
public Instruction SUB()

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.SUB.

toJCTypeback to summary
public Type toJCType()

Implements abstract com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.toJCType.

toSignatureback to summary
public String toSignature()

Implements abstract com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.toSignature.

Doc from com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.toSignature.

Returns the signature of an internal type's external representation.

toStringback to summary
public String toString()

Implements abstract com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.toString.

Doc from com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.toString.

Returns a string representation of this type.

translateBoxback to summary
public void translateBox(ClassGenerator classGen, MethodGenerator methodGen)

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.translateBox.

Translates an object of this type to its boxed representation.

translateFromback to summary
public void translateFrom(ClassGenerator classGen, MethodGenerator methodGen, Class<?> clazz)

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.translateFrom.

Translates an external (primitive) Java type into a real. Expects a java object on the stack and pushes a real (i.e., a double).

translateToback to summary
public void translateTo(ClassGenerator classGen, MethodGenerator methodGen, Type type)

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.translateTo.

Translates a real into an object of internal type type. The translation to int is undefined since reals are never converted to ints.

See Also
com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateTo
translateToback to summary
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
com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateTo
translateToback to summary
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
com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateTo
translateToback to summary
public void translateTo(ClassGenerator classGen, MethodGenerator methodGen, IntType type)

Expects a real on the stack and pushes a truncated integer value

See Also
com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateTo
translateToback to summary
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
com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateTo
translateToback to summary
public void translateTo(ClassGenerator classGen, MethodGenerator methodGen, final Class<?> clazz)

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.translateTo.

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.

translateToDesynthesizedback to summary
public FlowList translateToDesynthesized(ClassGenerator classGen, MethodGenerator methodGen, BooleanType type)

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.translateToDesynthesized.

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".

See Also
com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateToDesynthesized
translateUnBoxback to summary
public void translateUnBox(ClassGenerator classGen, MethodGenerator methodGen)

Overrides com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type.translateUnBox.

Translates an object of this type to its unboxed representation.