org.omegahat.Environment.Parser.Parse
Class BinaryExpression

java.lang.Object
  |
  +--antlr.BaseAST
        |
        +--antlr.CommonAST
              |
              +--org.omegahat.Environment.Parser.Parse.BasicExpression
                    |
                    +--org.omegahat.Environment.Parser.Parse.NumberExpression
                          |
                          +--org.omegahat.Environment.Parser.Parse.BinaryExpression

All Implemented Interfaces:

antlr.collections.AST, Evaluable, ExpressionInt, OmegaTokenTypes, java.lang.Runnable, java.io.Serializable, Subsettable, TreeNodeInt

Direct Known Subclasses:

ArrayAccess, ConditionalTerm, CrossedPowerTerm, DroppedFormula, OperatorExpression, SequenceExpression, SwitchStatement

public abstract class BinaryExpression

extends NumberExpression

implements ExpressionInt, Subsettable

Abstract class used by many others to hold left and right hand side org.omegahat.Models.Formulae.Expressions.

See Also:

Serialized Form

Field Summary

protected java.lang.Object[]	els
static int	LHS
static int	RHS

Fields inherited from class org.omegahat.Environment.Parser.Parse.BasicExpression

children, comments, isActive, parent, POST, PRE

Fields inherited from class antlr.BaseAST

down, right

Fields inherited from interface org.omegahat.Environment.Parser.AntlrParser.OmegaTokenTypes

ABSTRACT, ARG_LIST, ARRAY_DECLARATOR, ARRAY_INIT, ASSIGN, BAND, BAND_ASSIGN, BLOCK, BNOT, BOR, BOR_ASSIGN, BREAK, BSR, BSR_ASSIGN, BXOR, BXOR_ASSIGN, CHAR_LITERAL, CLASS_DEF, COLON, COMMA, CONTINUE, CTOR_DEF, DEC, DIV, DIV_ASSIGN, DOT, DOTS, EAGER, ELEMENT_OP, EOF, EQUAL, ESC, EXPONENT, EXPONENT_OP, EXPR, EXTENDS_CLAUSE, FINAL, FLOAT_SUFFIX, FUNCTION, GE, GT, HEX_DIGIT, IDENT, IMPLEMENTS_CLAUSE, IMPORT, INC, INDEX_OP, INSTANCE_INIT, INSTANCEOF, INTERFACE_DEF, LABELED_STAT, LAND, LAZY, LBRACK, LCURLY, LE, LITERAL_abstract, LITERAL_boolean, LITERAL_break, LITERAL_byte, LITERAL_case, LITERAL_catch, LITERAL_char, LITERAL_class, LITERAL_const, LITERAL_continue, LITERAL_default, LITERAL_do, LITERAL_double, LITERAL_eager, LITERAL_else, LITERAL_extends, LITERAL_false, LITERAL_final, LITERAL_finally, LITERAL_float, LITERAL_for, LITERAL_function, LITERAL_global, LITERAL_if, LITERAL_implements, LITERAL_import, LITERAL_in, LITERAL_instanceof, LITERAL_int, LITERAL_interface, LITERAL_lazy, LITERAL_long, LITERAL_method, LITERAL_native, LITERAL_new, LITERAL_null, LITERAL_private, LITERAL_protected, LITERAL_public, LITERAL_return, LITERAL_short, LITERAL_static, LITERAL_super, LITERAL_switch, LITERAL_synchronized, LITERAL_this, LITERAL_threadsafe, LITERAL_throw, LITERAL_throws, LITERAL_transient, LITERAL_true, LITERAL_try, LITERAL_void, LITERAL_while, LNOT, LOR, LPAREN, LT, METHOD, METHOD_CALL, METHOD_DEF, MINUS, MINUS_ASSIGN, MISSING_ARG, ML_COMMENT, MOD, MOD_ASSIGN, MODIFIERS, NOT_EQUAL, NULL_TREE_LOOKAHEAD, NUM_FLOAT, NUM_INT, NUM_LONG, OBJBLOCK, PACKAGE_DEF, PARAMETER_DEF, PARAMETERS, PLUS, PLUS_ASSIGN, POST_DEC, POST_INC, QUESTION, RBRACK, RCURLY, RETURN, RPAREN, SEMI, SEQUENCE_OP, SL, SL_ASSIGN, SL_COMMENT, SLIST, SR, SR_ASSIGN, STAR, STAR_ASSIGN, STATIC_INIT, STRING_LITERAL, SYNCHRONIZED, THROW, TRANSIENT, TYPE, TYPECAST, UNARY_MINUS, UNARY_PLUS, VARIABLE_DEF, VOCAB, WS

Constructor Summary

BinaryExpression()

BinaryExpression(java.lang.Object a)

BinaryExpression(java.lang.Object a, java.lang.Object b)

Method Summary

java.lang.Object	element(int which)
java.lang.Object	element(java.lang.Object o, int which)
java.lang.Object[]	elements()
java.lang.Object[]	elements(java.lang.Object[] elements)
java.lang.Object	eval(Evaluator evaluator)
antlr.collections.AST	getFirstChild()
int	replaceChild(TreeNodeInt originalChild, TreeNodeInt newChild)
java.lang.String	separator()
java.lang.Object	subset(java.lang.Object index, boolean keepStructure)
java.lang.String	toString()

Methods inherited from class org.omegahat.Environment.Parser.Parse.NumberExpression

asBoolean, asInt, asInteger, asNumber, isNumber, toInteger, toInteger, toNumber

Methods inherited from class org.omegahat.Environment.Parser.Parse.BasicExpression

addChild, addComment, apply, apply, apply, children, children, comment, comment, depth, error, eval, evalInit, evaluationFrame, evaluator, getReferencedVariables, getReferencedVariables, getReferencedVariables, isActive, isActive, parent, parent, postComment, postComment, preComment, preComment, render, resolve, run, setParent, setParent, setParent, setParent, showComments, showComments, substitute, substitute

Methods inherited from class antlr.CommonAST

getText, getType, initialize, initialize, initialize, setText, setType

Methods inherited from class antlr.BaseAST

addChild, equals, equalsList, equalsListPartial, equalsTree, equalsTreePartial, findAll, findAllPartial, getNextSibling, removeChildren, setFirstChild, setNextSibling, setVerboseStringConversion, toStringList, toStringTree

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.omegahat.Environment.Parser.Parse.ExpressionInt

error, resolve, substitute

Methods inherited from interface org.omegahat.Environment.Parser.Parse.TreeNodeInt

addChild, children, depth, parent, parent

Methods inherited from interface org.omegahat.Environment.Language.Evaluable

eval

Field Detail

LHS

public static final int LHS

RHS

public static final int RHS

els

protected java.lang.Object[] els

Constructor Detail

BinaryExpression

public BinaryExpression()

BinaryExpression

public BinaryExpression(java.lang.Object a,
                        java.lang.Object b)

BinaryExpression

public BinaryExpression(java.lang.Object a)

Method Detail

element

public java.lang.Object element(int which)

element

public java.lang.Object element(java.lang.Object o,
                                int which)

elements

public java.lang.Object[] elements()

elements

public java.lang.Object[] elements(java.lang.Object[] elements)

eval

public java.lang.Object eval(Evaluator evaluator)
                      throws java.lang.Throwable

Specified by:

eval in interface Evaluable

Overrides:

eval in class BasicExpression

toString

public java.lang.String toString()

Overrides:

toString in class BasicExpression

separator

public java.lang.String separator()

getFirstChild

public antlr.collections.AST getFirstChild()

Overrides:

getFirstChild in class antlr.BaseAST

replaceChild

public int replaceChild(TreeNodeInt originalChild,
                        TreeNodeInt newChild)

Specified by:

replaceChild in interface TreeNodeInt

Overrides:

replaceChild in class BasicExpression

subset

public java.lang.Object subset(java.lang.Object index,
                               boolean keepStructure)

Specified by:

subset in interface Subsettable

Overrides:

subset in class BasicExpression