Class VariableDeclarationExpression
This kind of node collects together several variable declaration fragments
(VariableDeclarationFragment
) into a single expression
(Expression
), all sharing the same modifiers and base type.
This type of node can be used as the initializer of a
ForStatement
, or wrapped in an ExpressionStatement
to form the equivalent of a VariableDeclarationStatement
.
VariableDeclarationExpression: { ExtendedModifier } Type VariableDeclarationFragment { , VariableDeclarationFragment }
- Since:
- 2.0
- Restriction:
- This class is not intended to be instantiated by clients.
-
Field Summary
Modifier and TypeFieldDescriptionstatic final ChildListPropertyDescriptor
The "fragments" structural property of this node type (element type:VariableDeclarationFragment
).static final SimplePropertyDescriptor
Deprecated.static final ChildListPropertyDescriptor
The "modifiers" structural property of this node type (element type:IExtendedModifier
) (added in JLS3 API).static final ChildPropertyDescriptor
The "type" structural property of this node type (child type:Type
).Fields inherited from class org.eclipse.jdt.core.dom.ASTNode
ANNOTATION_TYPE_DECLARATION, ANNOTATION_TYPE_MEMBER_DECLARATION, ANONYMOUS_CLASS_DECLARATION, ARRAY_ACCESS, ARRAY_CREATION, ARRAY_INITIALIZER, ARRAY_TYPE, ASSERT_STATEMENT, ASSIGNMENT, BLOCK, BLOCK_COMMENT, BOOLEAN_LITERAL, BREAK_STATEMENT, CASE_DEFAULT_EXPRESSION, CAST_EXPRESSION, CATCH_CLAUSE, CHARACTER_LITERAL, CLASS_INSTANCE_CREATION, COMPILATION_UNIT, CONDITIONAL_EXPRESSION, CONSTRUCTOR_INVOCATION, CONTINUE_STATEMENT, CREATION_REFERENCE, DIMENSION, DO_STATEMENT, EitherOr_MultiPattern, EMPTY_STATEMENT, ENHANCED_FOR_STATEMENT, ENUM_CONSTANT_DECLARATION, ENUM_DECLARATION, EXPORTS_DIRECTIVE, EXPRESSION_METHOD_REFERENCE, EXPRESSION_STATEMENT, FIELD_ACCESS, FIELD_DECLARATION, FOR_STATEMENT, GUARDED_PATTERN, IF_STATEMENT, IMPORT_DECLARATION, INFIX_EXPRESSION, INITIALIZER, INSTANCEOF_EXPRESSION, INTERSECTION_TYPE, JAVADOC, JAVADOC_REGION, JAVADOC_TEXT_ELEMENT, LABELED_STATEMENT, LAMBDA_EXPRESSION, LINE_COMMENT, MALFORMED, MARKER_ANNOTATION, MEMBER_REF, MEMBER_VALUE_PAIR, METHOD_DECLARATION, METHOD_INVOCATION, METHOD_REF, METHOD_REF_PARAMETER, MODIFIER, MODULE_DECLARATION, MODULE_MODIFIER, MODULE_QUALIFIED_NAME, NAME_QUALIFIED_TYPE, NORMAL_ANNOTATION, NULL_LITERAL, NULL_PATTERN, NUMBER_LITERAL, OPENS_DIRECTIVE, ORIGINAL, PACKAGE_DECLARATION, PARAMETERIZED_TYPE, PARENTHESIZED_EXPRESSION, PATTERN_INSTANCEOF_EXPRESSION, POSTFIX_EXPRESSION, PREFIX_EXPRESSION, PRIMITIVE_TYPE, PROTECT, PROVIDES_DIRECTIVE, QUALIFIED_NAME, QUALIFIED_TYPE, RECORD_DECLARATION, RECORD_PATTERN, RECOVERED, REQUIRES_DIRECTIVE, RETURN_STATEMENT, SIMPLE_NAME, SIMPLE_TYPE, SINGLE_MEMBER_ANNOTATION, SINGLE_VARIABLE_DECLARATION, STRING_FRAGMENT, STRING_LITERAL, STRING_TEMPLATE_COMPONENT, STRING_TEMPLATE_EXPRESSION, SUPER_CONSTRUCTOR_INVOCATION, SUPER_FIELD_ACCESS, SUPER_METHOD_INVOCATION, SUPER_METHOD_REFERENCE, SWITCH_CASE, SWITCH_EXPRESSION, SWITCH_STATEMENT, SYNCHRONIZED_STATEMENT, TAG_ELEMENT, TAG_PROPERTY, TEXT_BLOCK, TEXT_ELEMENT, THIS_EXPRESSION, THROW_STATEMENT, TRY_STATEMENT, TYPE_DECLARATION, TYPE_DECLARATION_STATEMENT, TYPE_LITERAL, TYPE_METHOD_REFERENCE, TYPE_PARAMETER, TYPE_PATTERN, UNION_TYPE, UNNAMED_CLASS, USES_DIRECTIVE, VARIABLE_DECLARATION_EXPRESSION, VARIABLE_DECLARATION_FRAGMENT, VARIABLE_DECLARATION_STATEMENT, WHILE_STATEMENT, WILDCARD_TYPE, YIELD_STATEMENT
-
Method Summary
Modifier and TypeMethodDescriptionReturns the live list of variable declaration fragments in this expression.int
Returns the modifiers explicitly specified on this declaration.getType()
Returns the base type declared in this variable declaration.Returns the live ordered list of modifiers and annotations of this declaration (added in JLS3 API).static List
propertyDescriptors
(int apiLevel) Returns a list of structural property descriptors for this node type.void
setModifiers
(int modifiers) Deprecated.In the JLS3 API, this method is replaced bymodifiers()
which contains a list of aModifier
nodes.void
Sets the base type declared in this variable declaration to the given type.Methods inherited from class org.eclipse.jdt.core.dom.Expression
resolveBoxing, resolveConstantExpressionValue, resolveTypeBinding, resolveUnboxing
Methods inherited from class org.eclipse.jdt.core.dom.ASTNode
accept, copySubtree, copySubtrees, delete, equals, getAST, getFlags, getLength, getLocationInParent, getNodeType, getParent, getProperty, getRoot, getStartPosition, getStructuralProperty, hashCode, nodeClassForType, properties, setFlags, setProperty, setSourceRange, setStructuralProperty, structuralPropertiesForType, subtreeBytes, subtreeMatch, toString
-
Field Details
-
MODIFIERS_PROPERTY
Deprecated.In the JLS3 API, this property is replaced byMODIFIERS2_PROPERTY
.The "modifiers" structural property of this node type (type:Integer
) (JLS2 API only).- Since:
- 3.0
-
MODIFIERS2_PROPERTY
The "modifiers" structural property of this node type (element type:IExtendedModifier
) (added in JLS3 API).- Since:
- 3.1
-
TYPE_PROPERTY
The "type" structural property of this node type (child type:Type
).- Since:
- 3.0
-
FRAGMENTS_PROPERTY
The "fragments" structural property of this node type (element type:VariableDeclarationFragment
).- Since:
- 3.0
-
-
Method Details
-
propertyDescriptors
Returns a list of structural property descriptors for this node type. Clients must not modify the result.- Parameters:
apiLevel
- the API level; one of theAST.JLS*
constants- Returns:
- a list of property descriptors (element type:
StructuralPropertyDescriptor
) - Since:
- 3.0
-
modifiers
Returns the live ordered list of modifiers and annotations of this declaration (added in JLS3 API).Note that the final modifier is the only meaningful modifier for local variable declarations.
- Returns:
- the live list of modifiers and annotations
(element type:
IExtendedModifier
) - Throws:
UnsupportedOperationException
- if this operation is used in a JLS2 AST- Since:
- 3.1
-
getModifiers
public int getModifiers()Returns the modifiers explicitly specified on this declaration.In the JLS3 API, this method is a convenience method that computes these flags from
modifiers()
.- Returns:
- the bit-wise or of
Modifier
constants - See Also:
-
setModifiers
public void setModifiers(int modifiers) Deprecated.In the JLS3 API, this method is replaced bymodifiers()
which contains a list of aModifier
nodes.Sets the modifiers explicitly specified on this declaration (JLS2 API only).Note that the final modifier is the only meaningful modifier for local variable declarations.
- Parameters:
modifiers
- the given modifiers (bit-wise or ofModifier
constants)- Throws:
UnsupportedOperationException
- if this operation is used in an AST later than JLS2- See Also:
-
getType
Returns the base type declared in this variable declaration.N.B. The individual child variable declaration fragments may specify additional array dimensions. So the type of the variable are not necessarily exactly this type.
- Returns:
- the base type
-
setType
Sets the base type declared in this variable declaration to the given type.- Parameters:
type
- the new base type- Throws:
IllegalArgumentException
- if:- the node belongs to a different AST
- the node already has a parent
-
fragments
Returns the live list of variable declaration fragments in this expression. Adding and removing nodes from this list affects this node dynamically. All nodes in this list must beVariableDeclarationFragment
s; attempts to add any other type of node will trigger an exception.- Returns:
- the live list of variable declaration fragments in this
expression (element type:
VariableDeclarationFragment
)
-
MODIFIERS2_PROPERTY
.