Package org.apache.xalan.xsltc.compiler.util

Class Type

    • Field Detail

      • Int

        public static final Type Int

      • Real

        public static final Type Real

      • Boolean

        public static final Type Boolean

      • NodeSet

        public static final Type NodeSet

      • String

        public static final Type String

      • ResultTree

        public static final Type ResultTree

      • Reference

        public static final Type Reference

      • Void

        public static final Type Void

      • Object

        public static final Type Object

      • Node

        public static final Type Node

      • Root

        public static final Type Root

      • Element

        public static final Type Element

      • Attribute

        public static final Type Attribute

      • Text

        public static final Type Text

      • Comment

        public static final Type Comment

      • Processing_Instruction

        public static final Type Processing_Instruction

    • Constructor Detail

      • Type

        public Type()

    • Method Detail

      • newObjectType

        public static Type newObjectType​(java.lang.String javaClassName)
        Factory method to instantiate object types. Returns a pre-defined instance for "java.lang.Object" and "java.lang.String".

      • newObjectType

        public static Type newObjectType​(java.lang.Class clazz)
        Factory method to instantiate object types. Returns a pre-defined instance for java.lang.Object.class and java.lang.String.class.

      • toString

        public abstract java.lang.String toString()
        Returns a string representation of this type.
        Overrides:
        toString in class java.lang.Object

      • identicalTo

        public abstract boolean identicalTo​(Type other)
        Returns true if this and other are identical types.

      • isNumber

        public boolean isNumber()
        Returns true if this type is a numeric type. Redefined in NumberType.

      • implementedAsMethod

        public boolean implementedAsMethod()
        Returns true if this type has no object representaion. Redefined in ResultTreeType.

      • isSimple

        public boolean isSimple()
        Returns true if this type is a simple type. Redefined in NumberType, BooleanType and StringType.

      • toJCType

        public abstract org.apache.bcel.generic.Type toJCType()

      • distanceTo

        public int distanceTo​(Type type)
        Returns the distance between two types. This measure is used to select overloaded functions/operators. This method is typically redefined by the subclasses.

      • toSignature

        public abstract java.lang.String toSignature()
        Returns the signature of an internal type's external representation.

      • translateTo

        public void translateTo​(ClassGenerator classGen,
                        MethodGenerator methodGen,
                        Type type)
        Translates an object of this type to an object of type type. Expects an object of the former type and pushes an object of the latter.

      • translateToDesynthesized

        public FlowList translateToDesynthesized​(ClassGenerator classGen,
                                         MethodGenerator methodGen,
                                         Type type)
        Translates object of this type to an object of type type. Expects an object of the former type and pushes an object of the latter if not boolean. If type type is boolean then a branchhandle list (to be appended to the false list) is returned.

      • translateToDesynthesized

        public FlowList translateToDesynthesized​(ClassGenerator classGen,
                                         MethodGenerator methodGen,
                                         BooleanType type)
        Translates an object of this type to an non-synthesized boolean. It does not push a 0 or a 1 but instead returns branchhandle list to be appended to the false list.

      • translateTo

        public void translateTo​(ClassGenerator classGen,
                        MethodGenerator methodGen,
                        java.lang.Class clazz)
        Translates an object of this type to the external (Java) type denoted by clazz. This method is used to translate parameters when external functions are called.

      • translateFrom

        public void translateFrom​(ClassGenerator classGen,
                          MethodGenerator methodGen,
                          java.lang.Class clazz)
        Translates an external (Java) type denoted by clazz to an object of this type. This method is used to translate return values when external functions are called.

      • translateBox

        public void translateBox​(ClassGenerator classGen,
                         MethodGenerator methodGen)
        Translates an object of this type to its boxed representation.

      • translateUnBox

        public void translateUnBox​(ClassGenerator classGen,
                           MethodGenerator methodGen)
        Translates an object of this type to its unboxed representation.

      • getClassName

        public java.lang.String getClassName()
        Returns the class name of an internal type's external representation.

      • ADD

        public org.apache.bcel.generic.Instruction ADD()

      • SUB

        public org.apache.bcel.generic.Instruction SUB()

      • MUL

        public org.apache.bcel.generic.Instruction MUL()

      • DIV

        public org.apache.bcel.generic.Instruction DIV()

      • REM

        public org.apache.bcel.generic.Instruction REM()

      • NEG

        public org.apache.bcel.generic.Instruction NEG()

      • LOAD

        public org.apache.bcel.generic.Instruction LOAD​(int slot)

      • STORE

        public org.apache.bcel.generic.Instruction STORE​(int slot)

      • POP

        public org.apache.bcel.generic.Instruction POP()

      • GT

        public org.apache.bcel.generic.BranchInstruction GT​(boolean tozero)

      • GE

        public org.apache.bcel.generic.BranchInstruction GE​(boolean tozero)

      • LT

        public org.apache.bcel.generic.BranchInstruction LT​(boolean tozero)

      • LE

        public org.apache.bcel.generic.BranchInstruction LE​(boolean tozero)

      • CMP

        public org.apache.bcel.generic.Instruction CMP​(boolean less)

      • DUP

        public org.apache.bcel.generic.Instruction DUP()