org.omegahat.Environment.Parser.Parse
Class InstanceOfExpression

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
                                |
                                +--org.omegahat.Environment.Parser.Parse.OperatorExpression
                                      |
                                      +--org.omegahat.Environment.Parser.Parse.LogicalExpression
                                            |
                                            +--org.omegahat.Environment.Parser.Parse.InstanceOfExpression
All Implemented Interfaces:
antlr.collections.AST, Evaluable, ExpressionInt, OmegaTokenTypes, java.lang.Runnable, java.io.Serializable, Subsettable, TreeNodeInt

public class InstanceOfExpression
extends LogicalExpression

Expression of the form object instanceof Class, more general than the Java version since the right hand side is interpreted so can be an expression that evaluates to a Class.

See Also:
Serialized Form

Fields inherited from class org.omegahat.Environment.Parser.Parse.OperatorExpression
operation
 
Fields inherited from class org.omegahat.Environment.Parser.Parse.BinaryExpression
els, LHS, 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
InstanceOfExpression(java.lang.Object e1, java.lang.Object e2)
           
 
Method Summary
 java.lang.Object eval(Evaluator evaluator)
           
 
Methods inherited from class org.omegahat.Environment.Parser.Parse.LogicalExpression
asLogical, dontDoBoth, operate, operate, separator
 
Methods inherited from class org.omegahat.Environment.Parser.Parse.OperatorExpression
operator, operator
 
Methods inherited from class org.omegahat.Environment.Parser.Parse.BinaryExpression
element, element, elements, elements, getFirstChild, replaceChild, subset, 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
 

Constructor Detail

InstanceOfExpression

public InstanceOfExpression(java.lang.Object e1,
                            java.lang.Object e2)
Method Detail

eval

public java.lang.Object eval(Evaluator evaluator)
                      throws java.lang.Throwable
Overrides:
eval in class LogicalExpression