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com.google.javascript.jscomp
Class JsAst

java.lang.Object
  extended by com.google.javascript.jscomp.JsAst
All Implemented Interfaces:
SourceAst, Serializable
public class JsAst
extends Object
implements SourceAst

Generates an AST for a JavaScript source file.

See Also:
Serialized Form

Constructor Summary
JsAst(SourceFile sourceFile)
           
 
Method Summary
 void clearAst()
          Removes any references to root node of the AST.
 Node getAstRoot(AbstractCompiler compiler)
          Gets the root node of the AST for the source file this represents.
 InputId getInputId()
           
 SourceFile getSourceFile()
          Returns the source file the generated AST represents.
 void setSourceFile(SourceFile file)
          Sets the source file the generated AST represents.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

JsAst

public JsAst(SourceFile sourceFile)
Method Detail

getAstRoot

public Node getAstRoot(AbstractCompiler compiler)
Description copied from interface: SourceAst
Gets the root node of the AST for the source file this represents. The AST is lazily instantiated and cached.

Specified by:
getAstRoot in interface SourceAst

clearAst

public void clearAst()
Description copied from interface: SourceAst
Removes any references to root node of the AST. If it is requested again, another parse will be performed. This method is needed to allow the ASTs to be garbage collected if the inputs are still around after compilation.

Specified by:
clearAst in interface SourceAst

getInputId

public InputId getInputId()
Specified by:
getInputId in interface SourceAst
Returns:
The input id associated with this AST

getSourceFile

public SourceFile getSourceFile()
Description copied from interface: SourceAst
Returns the source file the generated AST represents.

Specified by:
getSourceFile in interface SourceAst

setSourceFile

public void setSourceFile(SourceFile file)
Description copied from interface: SourceAst
Sets the source file the generated AST represents. This can be called after deserializing if access to the source file is needed. If a different file is provided than that with which this was created, an IllegalStateException will be thrown.

Specified by:
setSourceFile in interface SourceAst
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