org.omegahat.Environment.Parser.Parse
Class ArrayAccess

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.ArrayAccess

All Implemented Interfaces:

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

Direct Known Subclasses:

ArrayAccessInfix

public class ArrayAccess

extends BinaryExpression

Expression of the form x[[i]], x[i], and variants with more terms such as x[i,j,k++] indicating a subsetting operation on a target object.

See Also:

Serialized Form

Field Summary

protected boolean	doubleBrackets
protected java.lang.Class	ListClass
protected Name	localName

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

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

ArrayAccess(java.lang.Object a, java.lang.Object b, boolean doubleBrackets)

Method Summary

void	add(java.lang.Object el)
java.lang.Object	array(Evaluator evaluator)
java.lang.Object	assign(ExpressionInt obj, Evaluator evaluator)
java.lang.Object	assign(java.lang.Object obj, Evaluator evaluator)
static java.lang.Class	classInit()
boolean	doubleBrackets()
boolean	doubleBrackets(boolean v)
java.lang.Object	eval(Evaluator evaluator) Perform the array dereferencing.
java.lang.Object	get(java.lang.Object array, List indeces, Evaluator evaluator)
java.lang.Object	get(java.lang.Object array, List indeces, int n, Evaluator evaluator)
java.lang.Object	get(java.lang.Object array, List indeces, int n, int start, Evaluator evaluator) Dereference the object specified by the first n indeces.
protected java.lang.Object	getFromArray(java.lang.Object obj, List indeces, int n, int start)
List	indeces(Evaluator evaluator)
Name	name()
Name	name(Name n)
void	put(java.lang.Object array, List indeces, int n, java.lang.Object val)
java.lang.String	render(boolean expanded)
void	show(java.lang.Object obj)
java.lang.Object	subset(java.util.Hashtable obj, List index, int n, int start)
java.lang.Object	subset(java.util.Vector obj, List index, int n, int start)
java.lang.Object	subsetGeneric(java.lang.Object obj, int idx)
java.lang.Object	subsetGeneric(java.lang.Object obj, List indeces, int n, int start, Evaluator evaluator)
java.lang.Object	subsetGeneric(java.lang.Object obj, java.lang.Object index)
java.lang.Object	subsetGeneric(java.lang.Object obj, java.lang.String val)
java.lang.String	toString()

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

element, element, elements, elements, getFirstChild, replaceChild, separator, subset

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, 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

localName

protected Name localName

doubleBrackets

protected boolean doubleBrackets

ListClass

protected java.lang.Class ListClass

Constructor Detail

ArrayAccess

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

ArrayAccess

public ArrayAccess(java.lang.Object a,
                   java.lang.Object b,
                   boolean doubleBrackets)

Method Detail

add

public void add(java.lang.Object el)

eval

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

Perform the array dereferencing.

Overrides:

eval in class BinaryExpression

name

public Name name()

name

public Name name(Name n)

get

public java.lang.Object get(java.lang.Object array,
                            List indeces,
                            Evaluator evaluator)
                     throws java.lang.Throwable

get

public java.lang.Object get(java.lang.Object array,
                            List indeces,
                            int n,
                            Evaluator evaluator)
                     throws java.lang.Throwable

get

public java.lang.Object get(java.lang.Object array,
                            List indeces,
                            int n,
                            int start,
                            Evaluator evaluator)
                     throws java.lang.Throwable

Dereference the object specified by the first n indeces. Used in the assignment to get all but the last one.

assign

public java.lang.Object assign(java.lang.Object obj,
                               Evaluator evaluator)
                        throws java.lang.Throwable

assign

public java.lang.Object assign(ExpressionInt obj,
                               Evaluator evaluator)
                        throws java.lang.Throwable

indeces

public List indeces(Evaluator evaluator)
             throws java.lang.Throwable

array

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

classInit

public static java.lang.Class classInit()

toString

public java.lang.String toString()

Overrides:

toString in class BinaryExpression

show

public void show(java.lang.Object obj)

subsetGeneric

public java.lang.Object subsetGeneric(java.lang.Object obj,
                                      List indeces,
                                      int n,
                                      int start,
                                      Evaluator evaluator)
                               throws java.lang.Throwable

getFromArray

protected java.lang.Object getFromArray(java.lang.Object obj,
                                        List indeces,
                                        int n,
                                        int start)

subsetGeneric

public java.lang.Object subsetGeneric(java.lang.Object obj,
                                      java.lang.String val)
                               throws java.lang.Throwable

subsetGeneric

public java.lang.Object subsetGeneric(java.lang.Object obj,
                                      int idx)
                               throws java.lang.Throwable

subsetGeneric

public java.lang.Object subsetGeneric(java.lang.Object obj,
                                      java.lang.Object index)
                               throws java.lang.Throwable

subset

public java.lang.Object subset(java.util.Hashtable obj,
                               List index,
                               int n,
                               int start)

subset

public java.lang.Object subset(java.util.Vector obj,
                               List index,
                               int n,
                               int start)

doubleBrackets

public boolean doubleBrackets()

doubleBrackets

public boolean doubleBrackets(boolean v)

put

public void put(java.lang.Object array,
                List indeces,
                int n,
                java.lang.Object val)

render

public java.lang.String render(boolean expanded)

Overrides:

render in class BasicExpression