org.omegahat.Environment.Parser.Parse
Class LocalVariable

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

All Implemented Interfaces:

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

public class LocalVariable

extends BasicExpression

implements ExpressionInt

Declaration of a local variable - e.g. local x - with optional additional modifiers and type information.

See Also:

Serialized Form

Field Summary

static java.lang.String	LocalDeclarator
protected Modifier	modifiers
protected List	names
protected Name	type

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

LocalVariable(antlr.collections.AST tr)

LocalVariable(java.lang.Object type, java.lang.Object names)

LocalVariable(java.lang.Object type, java.lang.Object names, boolean isFinal)

LocalVariable(java.lang.Object type, java.lang.Object names, Modifier modifiers)

Method Summary

Database	database(Database db)
List	elements()
List	elements(List n)
java.lang.Object	eval(Evaluator evaluator) Evaluate this expression, defining the types of the different variables being declared and their initial values if supplied, or null otherwise.
antlr.collections.AST	getFirstChild()
java.lang.Class	getTypeClass(Evaluator evaluator)
Modifier	modifiers()
Modifier	modifiers(Modifier m)
java.lang.String	toString()
Name	type()
Name	type(Name t)

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, replaceChild, resolve, run, setParent, setParent, setParent, setParent, showComments, showComments, subset, 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, replaceChild

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

eval

Field Detail

LocalDeclarator

public static java.lang.String LocalDeclarator

type

protected Name type

names

protected List names

modifiers

protected Modifier modifiers

Constructor Detail

LocalVariable

public LocalVariable(java.lang.Object type,
                     java.lang.Object names)

LocalVariable

public LocalVariable(java.lang.Object type,
                     java.lang.Object names,
                     boolean isFinal)

LocalVariable

public LocalVariable(java.lang.Object type,
                     java.lang.Object names,
                     Modifier modifiers)

LocalVariable

public LocalVariable(antlr.collections.AST tr)

Method Detail

modifiers

public Modifier modifiers()

modifiers

public Modifier modifiers(Modifier m)

type

public Name type(Name t)

type

public Name type()

elements

public List elements()

elements

public List elements(List n)

eval

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

Evaluate this expression, defining the types of the different variables being declared and their initial values if supplied, or null otherwise.

Specified by:

eval in interface Evaluable

Overrides:

eval in class BasicExpression

Returns:

at present, simply null.

getTypeClass

public java.lang.Class getTypeClass(Evaluator evaluator)
                             throws java.lang.ClassNotFoundException

toString

public java.lang.String toString()

Overrides:

toString in class BasicExpression

database

public Database database(Database db)

getFirstChild

public antlr.collections.AST getFirstChild()

Overrides:

getFirstChild in class antlr.BaseAST