|
||||||||||
| PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
| SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD | |||||||||
java.lang.Objectorg.hibernate.hql.ast.util.ASTUtil
public final class ASTUtil
Provides utility methods for AST traversal and manipulation.
| Nested Class Summary | |
|---|---|
static interface |
ASTUtil.FilterPredicate
Filters nodes out of a tree. |
static class |
ASTUtil.IncludePredicate
A predicate that uses inclusion, rather than exclusion semantics. |
| Method Summary | |
|---|---|
static void |
appendSibling(antlr.collections.AST n,
antlr.collections.AST s)
|
static List |
collectChildren(antlr.collections.AST root,
ASTUtil.FilterPredicate predicate)
|
static antlr.collections.AST |
create(antlr.ASTFactory astFactory,
int type,
String text)
Creates a single node AST. |
static antlr.collections.AST |
createBinarySubtree(antlr.ASTFactory factory,
int parentType,
String parentText,
antlr.collections.AST child1,
antlr.collections.AST child2)
Creates a 'binary operator' subtree, given the information about the parent and the two child nodex. |
static antlr.collections.AST |
createParent(antlr.ASTFactory factory,
int parentType,
String parentText,
antlr.collections.AST child)
Creates a single parent of the specified child (i.e. |
static antlr.collections.AST |
createSibling(antlr.ASTFactory astFactory,
int type,
String text,
antlr.collections.AST prevSibling)
Creates a single node AST as a sibling. |
static antlr.collections.AST |
createTree(antlr.ASTFactory factory,
antlr.collections.AST[] nestedChildren)
|
static antlr.collections.AST |
findPreviousSibling(antlr.collections.AST parent,
antlr.collections.AST child)
Find the previous sibling in the parent for the given child. |
static antlr.collections.AST |
findTypeInChildren(antlr.collections.AST parent,
int type)
Finds the first node of the specified type in the chain of children. |
static String |
getDebugString(antlr.collections.AST n)
Returns the 'list' representation with some brackets around it for debugging. |
static antlr.collections.AST |
getLastChild(antlr.collections.AST n)
Returns the last direct child of 'n'. |
static String |
getPathText(antlr.collections.AST n)
|
static boolean |
hasExactlyOneChild(antlr.collections.AST n)
|
static void |
insertChild(antlr.collections.AST parent,
antlr.collections.AST child)
Inserts the child as the first child of the parent, all other children are shifted over to the 'right'. |
static antlr.collections.AST |
insertSibling(antlr.collections.AST node,
antlr.collections.AST prevSibling)
|
static boolean |
isDirectChild(antlr.collections.AST fixture,
antlr.collections.AST test)
Determine if a given node (test) is a direct (throtle to one level down) child of another given node (fixture). |
static boolean |
isSubtreeChild(antlr.collections.AST fixture,
antlr.collections.AST test)
Determine if a given node (test) is contained anywhere in the subtree of another given node (fixture). |
static void |
makeSiblingOfParent(antlr.collections.AST parent,
antlr.collections.AST child)
Makes the child node a sibling of the parent, reconnecting all siblings. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Method Detail |
|---|
public static antlr.collections.AST create(antlr.ASTFactory astFactory,
int type,
String text)
astFactory - The factory.type - The node type.text - The node text.
public static antlr.collections.AST createSibling(antlr.ASTFactory astFactory,
int type,
String text,
antlr.collections.AST prevSibling)
astFactory - The factory.type - The node type.text - The node text.prevSibling - The previous sibling.
public static antlr.collections.AST insertSibling(antlr.collections.AST node,
antlr.collections.AST prevSibling)
public static antlr.collections.AST createBinarySubtree(antlr.ASTFactory factory,
int parentType,
String parentText,
antlr.collections.AST child1,
antlr.collections.AST child2)
factory - The AST factory.parentType - The type of the parent node.parentText - The text of the parent node.child1 - The first child.child2 - The second child.
public static antlr.collections.AST createParent(antlr.ASTFactory factory,
int parentType,
String parentText,
antlr.collections.AST child)
factory - The AST factory.parentType - The type of the parent node.parentText - The text of the parent node.child - The child.
public static antlr.collections.AST createTree(antlr.ASTFactory factory,
antlr.collections.AST[] nestedChildren)
public static antlr.collections.AST findTypeInChildren(antlr.collections.AST parent,
int type)
parent - The parenttype - The type to find.
public static antlr.collections.AST getLastChild(antlr.collections.AST n)
n - The parent
public static String getDebugString(antlr.collections.AST n)
n - The tree.
public static antlr.collections.AST findPreviousSibling(antlr.collections.AST parent,
antlr.collections.AST child)
parent - the parent nodechild - the child to find the previous sibling of
public static boolean isDirectChild(antlr.collections.AST fixture,
antlr.collections.AST test)
fixture - The node against which to testto be checked for children.test - The node to be tested as being a child of the parent.
public static boolean isSubtreeChild(antlr.collections.AST fixture,
antlr.collections.AST test)
fixture - The node against which to testto be checked for children.test - The node to be tested as being a subtree child of the parent.
public static void makeSiblingOfParent(antlr.collections.AST parent,
antlr.collections.AST child)
parent - the parentchild - the childpublic static String getPathText(antlr.collections.AST n)
public static boolean hasExactlyOneChild(antlr.collections.AST n)
public static void appendSibling(antlr.collections.AST n,
antlr.collections.AST s)
public static void insertChild(antlr.collections.AST parent,
antlr.collections.AST child)
parent - the parentchild - the new first child
public static List collectChildren(antlr.collections.AST root,
ASTUtil.FilterPredicate predicate)
|
||||||||||
| PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
| SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD | |||||||||