static class MakeDeclaredNamesUnique.ContextualRenameInverter extends java.lang.Object implements NodeTraversal.ScopedCallback, CompilerPass
MakeDeclaredNamesUnique.ContextualRenamer
, when possible.Modifier and Type | Field and Description |
---|---|
private AbstractCompiler |
compiler |
private java.util.Map<java.lang.String,java.util.List<Node>> |
nameMap |
private java.util.Set<java.lang.String> |
referencedNames |
private java.util.Deque<java.util.Set<java.lang.String>> |
referenceStack |
Modifier | Constructor and Description |
---|---|
private |
ContextualRenameInverter(AbstractCompiler compiler) |
Modifier and Type | Method and Description |
---|---|
private void |
addCandidateNameReference(java.lang.String name,
Node n) |
private static boolean |
containsSeparator(java.lang.String name) |
void |
enterScope(NodeTraversal t)
Prepare a set for the new scope.
|
void |
exitScope(NodeTraversal t)
Rename vars for the current scope, and merge any referenced
names into the parent scope reference set.
|
private java.lang.String |
findReplacementName(java.lang.String name)
Find a name usable in the local scope.
|
static java.lang.String |
getOriginalName(java.lang.String name) |
(package private) void |
handleScopeVar(Var v)
For the Var declared in the current scope determine if it is possible
to revert the name to its original form without conflicting with other
values.
|
private static int |
indexOfSeparator(java.lang.String name) |
private boolean |
isValidName(java.lang.String name) |
void |
process(Node externs,
Node js)
Process the JS with root node root.
|
boolean |
shouldTraverse(NodeTraversal t,
Node n,
Node parent)
Visits a node in pre order (before visiting its children) and decides
whether this node's children should be traversed.
|
void |
visit(NodeTraversal t,
Node node,
Node parent)
Visits a node in postorder (after its children have been visited).
|
private final AbstractCompiler compiler
private java.util.Set<java.lang.String> referencedNames
private java.util.Deque<java.util.Set<java.lang.String>> referenceStack
private java.util.Map<java.lang.String,java.util.List<Node>> nameMap
private ContextualRenameInverter(AbstractCompiler compiler)
public void process(Node externs, Node js)
CompilerPass
process
in interface CompilerPass
externs
- Top of external JS treejs
- Top of JS treepublic static java.lang.String getOriginalName(java.lang.String name)
private static int indexOfSeparator(java.lang.String name)
private static boolean containsSeparator(java.lang.String name)
public void enterScope(NodeTraversal t)
enterScope
in interface NodeTraversal.ScopedCallback
public void exitScope(NodeTraversal t)
exitScope
in interface NodeTraversal.ScopedCallback
void handleScopeVar(Var v)
private java.lang.String findReplacementName(java.lang.String name)
private boolean isValidName(java.lang.String name)
public boolean shouldTraverse(NodeTraversal t, Node n, Node parent)
NodeTraversal.Callback
Visits a node in pre order (before visiting its children) and decides
whether this node's children should be traversed. If children are
traversed, they will be visited by
NodeTraversal.Callback.visit(NodeTraversal, Node, Node)
in postorder.
Implementations can have side effects (e.g. modifying the parse tree).
shouldTraverse
in interface NodeTraversal.Callback
public void visit(NodeTraversal t, Node node, Node parent)
NodeTraversal.Callback
Visits a node in postorder (after its children have been visited).
A node is visited only if all its parents should be traversed
(NodeTraversal.Callback.shouldTraverse(NodeTraversal, Node, Node)
).
Implementations can have side effects (e.g. modifying the parse tree).
visit
in interface NodeTraversal.Callback
private void addCandidateNameReference(java.lang.String name, Node n)