gololang.ir

Class ReferenceLookup

java.lang.Object

gololang.ir.GoloElement<T>

gololang.ir.GoloStatement<T>

gololang.ir.ExpressionStatement<ReferenceLookup>

gololang.ir.ReferenceLookup

public final class ReferenceLookup
extends ExpressionStatement<ReferenceLookup>

A reference lookup in the golo code.

This expression represents every reference use, that is when a variable is considered as an expression.

Method Summary

Modifier and Type	Method and Description
void	accept(GoloIrVisitor visitor) Accept the visitor.
java.lang.String	getName()
LocalReference	letRef() Creates a corresponding local reference.
static ReferenceLookup	of(java.lang.Object name) Creates a lookup to the reference defined by the given name.
protected void	replaceElement(GoloElement<?> original, GoloElement<?> newElement) Replace a child.
LocalReference	resolveIn(ReferenceTable referenceTable) Resolves the reference in the given reference table.
protected ReferenceLookup	self()
java.lang.String	toString()
LocalReference	varRef() Creates a corresponding local reference.

Methods inherited from class gololang.ir.ExpressionStatement

call, clearDeclarations, declarations, hasLocalDeclarations, with

Methods inherited from class gololang.ir.GoloElement

ancestor, ancestor, ancestorOfType, cantConvert, cantReplace, cantReplace, children, children, children, descendants, descendants, descendants, documentation, documentation, doesNotContain, enclosingModule, getLocalReferenceTable, hasParent, hasPosition, makeParentOf, metadata, metadata, next, next, next, ofAST, parent, positionInSourceCode, positionInSourceCode, previous, previous, previous, replaceInParentBy, walk

Methods inherited from class java.lang.Object

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

Method Detail

of

public static ReferenceLookup of(java.lang.Object name)

Creates a lookup to the reference defined by the given name.

self

protected ReferenceLookup self()

Specified by:

self in class GoloElement<ReferenceLookup>

getName

public java.lang.String getName()

resolveIn

public LocalReference resolveIn(ReferenceTable referenceTable)

Resolves the reference in the given reference table.

Parameters:

referenceTable - the reference table in which to resolve the lookup.

Returns:

the corresponding local reference node, or null if the reference does not exists in the table.

varRef

public LocalReference varRef()

Creates a corresponding local reference.

The created local reference is a variable one, with the same name as this lookup.

Returns:

a new variable local reference.

letRef

public LocalReference letRef()

Creates a corresponding local reference.

The created local reference is an immutable one, with the same name as this lookup.

Returns:

a new immutable local reference.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

accept

public void accept(GoloIrVisitor visitor)

Accept the visitor.

This method should only call the visitor visitXXXX method. The children of this node will be visited by the GoloElement.walk(GoloIrVisitor) method.

Specified by:

accept in class GoloElement<ReferenceLookup>

replaceElement

protected void replaceElement(GoloElement<?> original,
                              GoloElement<?> newElement)

Replace a child.

Replace original with newElement if original is a child of this node and type matches.

Specified by:

replaceElement in class GoloElement<ReferenceLookup>

Parameters:

original - the original value to replace. Must be a child of this node

newElement - the element to replace with. Type must match.

See Also:

GoloElement.cantReplace(), GoloElement.cantReplace(GoloElement, GoloElement), GoloElement.doesNotContain(GoloElement), GoloElement.cantConvert(String, Object)