LHS

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Class LHS

java.lang.Object
  bsh.LHS

All Implemented Interfaces:: ParserConstants, java.io.Serializable

class LHS
extends java.lang.Object
implements ParserConstants, java.io.Serializable

An LHS is a wrapper for an variable, field, or property. It ordinarily holds the "left hand side" of an assignment and may be either resolved to a value or assigned a value.

There is one special case here termed METHOD_EVAL where the LHS is used in an intermediate evaluation of a chain of suffixes and wraps a method invocation. In this case it may only be resolved to a value and cannot be assigned. (You can't assign a value to the result of a method call e.g. "foo() = 5;").

Field Summary

(package private) java.lang.reflect.Field field


(package private) static int FIELD
          Identifiers for the various types of LHS.

(package private) int index


(package private) static int INDEX
          Identifiers for the various types of LHS.

(package private) boolean localVar
          The assignment should be to a local variable

(package private) static int METHOD_EVAL
          Identifiers for the various types of LHS.

(package private) NameSpace nameSpace


(package private) java.lang.Object object


(package private) static int PROPERTY
          Identifiers for the various types of LHS.

(package private) java.lang.String propName


(package private) int type


(package private) static int VARIABLE
          Identifiers for the various types of LHS.

(package private) java.lang.String varName


Fields inherited from interface bsh.ParserConstants

_DEFAULT, ABSTRACT, ANDASSIGN, ANDASSIGNX, ASSIGN, BANG, BIT_AND, BIT_ANDX, BIT_OR, BIT_ORX, BOOL_AND, BOOL_ANDX, BOOL_OR, BOOL_ORX, BOOLEAN, BREAK, BYTE, CASE, CATCH, CHAR, CHARACTER_LITERAL, CLASS, COLON, COMMA, CONST, CONTINUE, DECIMAL_LITERAL, DECR, DEFAULT, DIGIT, DO, DOT, DOUBLE, ELSE, ENUM, EOF, EQ, EXPONENT, EXTENDS, FALSE, FINAL, FINALLY, FLOAT, FLOATING_POINT_LITERAL, FOR, FORMAL_COMMENT, GE, GEX, GOTO, GT, GTX, HASH_BANG_COMMENT, HEX_LITERAL, HOOK, IDENTIFIER, IF, IMPLEMENTS, IMPORT, INCR, INSTANCEOF, INT, INTEGER_LITERAL, INTERFACE, LBRACE, LBRACKET, LE, LETTER, LEX, LONG, LPAREN, LSHIFT, LSHIFTASSIGN, LSHIFTASSIGNX, LSHIFTX, LT, LTX, MINUS, MINUSASSIGN, MOD, MODASSIGN, MULTI_LINE_COMMENT, NATIVE, NE, NEW, NONPRINTABLE, NULL, OCTAL_LITERAL, ORASSIGN, ORASSIGNX, PACKAGE, PLUS, PLUSASSIGN, PRIVATE, PROTECTED, PUBLIC, RBRACE, RBRACKET, RETURN, RPAREN, RSIGNEDSHIFT, RSIGNEDSHIFTASSIGN, RSIGNEDSHIFTASSIGNX, RSIGNEDSHIFTX, RUNSIGNEDSHIFT, RUNSIGNEDSHIFTASSIGN, RUNSIGNEDSHIFTASSIGNX, RUNSIGNEDSHIFTX, SEMICOLON, SHORT, SINGLE_LINE_COMMENT, SLASH, SLASHASSIGN, STAR, STARASSIGN, STATIC, STRICTFP, STRING_LITERAL, SWITCH, SYNCHRONIZED, THROW, THROWS, TILDE, tokenImage, TRANSIENT, TRUE, TRY, VOID, VOLATILE, WHILE, XOR, XORASSIGN

Constructor Summary

(package private) LHS(java.lang.reflect.Field field)
          Static field LHS Constructor.

(package private) LHS(NameSpace nameSpace, java.lang.String varName)
          Variable LHS constructor.

(package private) LHS(NameSpace nameSpace, java.lang.String varName, boolean localVar)


(package private) LHS(java.lang.Object object, java.lang.reflect.Field field)
          Object field LHS Constructor.

(package private) LHS(java.lang.Object array, int index)
          Array index LHS Constructor.

(package private) LHS(java.lang.Object object, java.lang.String propName)
          Object property LHS Constructor.

Method Summary

java.lang.Object assign(java.lang.Object val, boolean strictJava)
          Assign a value to the LHS.

java.lang.Object getValue()


java.lang.String toString()
          Convert this Object to a human-readable String.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

nameSpace

NameSpace nameSpace

localVar

boolean localVar

The assignment should be to a local variable